20161971900

素因数分解:

$2^2\times 3^3\times 5^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{10357}}^1$

素因数の和:10490

約数の個数: 288

約数和(自身を含む): 74802990080

約数和(自身を除く): 54641018180

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 35, 36, 42, 45, 50, 54, 60, 63, 70, 75, 84, 90, 100, 103, 105, 108, 126, 135, 140, 150, 175, 180, 189, 206, 210, 225, 252, 270, 300, 309, 315, 350, 378, 412, 420, 450, 515, 525, 540, 618, 630, 675, 700, 721, 756, 900, 927, 945, 1030, 1050, 1236, 1260, 1350, 1442, 1545, 1575, 1854, 1890, 2060, 2100, 2163, 2575, 2700, 2781, 2884, 3090, 3150, 3605, 3708, 3780, 4326, 4635, 4725, 5150, 5562, 6180, 6300, 6489, 7210, 7725, 8652, 9270, 9450, 10300, 10357, 10815, 11124, 12978, 13905, 14420, 15450, 18025, 18540, 18900, 19467, 20714, 21630, 23175, 25956, 27810, 30900, 31071, 32445, 36050, 38934, 41428, 43260, 46350, 51785, 54075, 55620, 62142, 64890, 69525, 72100, 72499, 77868, 92700, 93213, 97335, 103570, 108150, 124284, 129780, 139050, 144998, 155355, 162225, 186426, 194670, 207140, 216300, 217497, 258925, 278100, 279639, 289996, 310710, 324450, 362495, 372852, 389340, 434994, 466065, 486675, 517850, 559278, 621420, 648900, 652491, 724990, 776775, 869988, 932130, 973350, 1035700, 1066771, 1087485, 1118556, 1304982, 1398195, 1449980, 1553550, 1812475, 1864260, 1946700, 1957473, 2133542, 2174970, 2330325, 2609964, 2796390, 3107100, 3200313, 3262455, 3624950, 3914946, 4267084, 4349940, 4660650, 5333855, 5437425, 5592780, 6400626, 6524910, 6990975, 7249900, 7467397, 7829892, 9321300, 9600939, 9787365, 10667710, 10874850, 12801252, 13049820, 13981950, 14934794, 16001565, 16312275, 19201878, 19574730, 21335420, 21749700, 22402191, 26669275, 27963900, 28802817, 29869588, 32003130, 32624550, 37336985, 38403756, 39149460, 44804382, 48004695, 48936825, 53338550, 57605634, 64006260, 65249100, 67206573, 74673970, 80007825, 89608764, 96009390, 97873650, 106677100, 112010955, 115211268, 134413146, 144014085, 149347940, 160015650, 186684925, 192018780, 195747300, 201619719, 224021910, 240023475, 268826292, 288028170, 320031300, 336032865, 373369850, 403239438, 448043820, 480046950, 560054775, 576056340, 672065730, 720070425, 746739700, 806478876, 960093900, 1008098595, 1120109550, 1344131460, 1440140850, 1680164325, 2016197190, 2240219100, 2880281700, 3360328650, 4032394380, 5040492975, 6720657300, 10080985950, 20161971900]

約数ペア:

[(1, 20161971900), (2, 10080985950), (3, 6720657300), (4, 5040492975), (5, 4032394380), (6, 3360328650), (7, 2880281700), (9, 2240219100), (10, 2016197190), (12, 1680164325), (14, 1440140850), (15, 1344131460), (18, 1120109550), (20, 1008098595), (21, 960093900), (25, 806478876), (27, 746739700), (28, 720070425), (30, 672065730), (35, 576056340), (36, 560054775), (42, 480046950), (45, 448043820), (50, 403239438), (54, 373369850), (60, 336032865), (63, 320031300), (70, 288028170), (75, 268826292), (84, 240023475), (90, 224021910), (100, 201619719), (103, 195747300), (105, 192018780), (108, 186684925), (126, 160015650), (135, 149347940), (140, 144014085), (150, 134413146), (175, 115211268), (180, 112010955), (189, 106677100), (206, 97873650), (210, 96009390), (225, 89608764), (252, 80007825), (270, 74673970), (300, 67206573), (309, 65249100), (315, 64006260), (350, 57605634), (378, 53338550), (412, 48936825), (420, 48004695), (450, 44804382), (515, 39149460), (525, 38403756), (540, 37336985), (618, 32624550), (630, 32003130), (675, 29869588), (700, 28802817), (721, 27963900), (756, 26669275), (900, 22402191), (927, 21749700), (945, 21335420), (1030, 19574730), (1050, 19201878), (1236, 16312275), (1260, 16001565), (1350, 14934794), (1442, 13981950), (1545, 13049820), (1575, 12801252), (1854, 10874850), (1890, 10667710), (2060, 9787365), (2100, 9600939), (2163, 9321300), (2575, 7829892), (2700, 7467397), (2781, 7249900), (2884, 6990975), (3090, 6524910), (3150, 6400626), (3605, 5592780), (3708, 5437425), (3780, 5333855), (4326, 4660650), (4635, 4349940), (4725, 4267084), (5150, 3914946), (5562, 3624950), (6180, 3262455), (6300, 3200313), (6489, 3107100), (7210, 2796390), (7725, 2609964), (8652, 2330325), (9270, 2174970), (9450, 2133542), (10300, 1957473), (10357, 1946700), (10815, 1864260), (11124, 1812475), (12978, 1553550), (13905, 1449980), (14420, 1398195), (15450, 1304982), (18025, 1118556), (18540, 1087485), (18900, 1066771), (19467, 1035700), (20714, 973350), (21630, 932130), (23175, 869988), (25956, 776775), (27810, 724990), (30900, 652491), (31071, 648900), (32445, 621420), (36050, 559278), (38934, 517850), (41428, 486675), (43260, 466065), (46350, 434994), (51785, 389340), (54075, 372852), (55620, 362495), (62142, 324450), (64890, 310710), (69525, 289996), (72100, 279639), (72499, 278100), (77868, 258925), (92700, 217497), (93213, 216300), (97335, 207140), (103570, 194670), (108150, 186426), (124284, 162225), (129780, 155355), (139050, 144998)]