231731760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{257}}^1$

素因数の和:320

約数の個数: 240

約数和(自身を含む): 825009696

約数和(自身を除く): 593277936

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 17, 20, 24, 26, 30, 34, 39, 40, 48, 51, 52, 60, 65, 68, 78, 80, 85, 102, 104, 120, 130, 136, 156, 170, 195, 204, 208, 221, 240, 255, 257, 260, 272, 289, 312, 340, 390, 408, 442, 510, 514, 520, 578, 624, 663, 680, 771, 780, 816, 867, 884, 1020, 1028, 1040, 1105, 1156, 1285, 1326, 1360, 1445, 1542, 1560, 1734, 1768, 2040, 2056, 2210, 2312, 2570, 2652, 2890, 3084, 3120, 3315, 3341, 3468, 3536, 3757, 3855, 4080, 4112, 4335, 4369, 4420, 4624, 5140, 5304, 5780, 6168, 6630, 6682, 6936, 7514, 7710, 8670, 8738, 8840, 10023, 10280, 10608, 11271, 11560, 12336, 13107, 13260, 13364, 13872, 15028, 15420, 16705, 17340, 17476, 17680, 18785, 20046, 20560, 21845, 22542, 23120, 26214, 26520, 26728, 30056, 30840, 33410, 34680, 34952, 37570, 40092, 43690, 45084, 50115, 52428, 53040, 53456, 56355, 56797, 60112, 61680, 65535, 66820, 69360, 69904, 74273, 75140, 80184, 87380, 90168, 100230, 104856, 112710, 113594, 131070, 133640, 148546, 150280, 160368, 170391, 174760, 180336, 200460, 209712, 222819, 225420, 227188, 262140, 267280, 283985, 297092, 300560, 340782, 349520, 371365, 400920, 445638, 450840, 454376, 524280, 567970, 594184, 681564, 742730, 801840, 851955, 891276, 901680, 908752, 965549, 1048560, 1114095, 1135940, 1188368, 1363128, 1485460, 1703910, 1782552, 1931098, 2228190, 2271880, 2726256, 2896647, 2970920, 3407820, 3565104, 3862196, 4456380, 4543760, 4827745, 5793294, 5941840, 6815640, 7724392, 8912760, 9655490, 11586588, 13631280, 14483235, 15448784, 17825520, 19310980, 23173176, 28966470, 38621960, 46346352, 57932940, 77243920, 115865880, 231731760]

約数ペア:

[(1, 231731760), (2, 115865880), (3, 77243920), (4, 57932940), (5, 46346352), (6, 38621960), (8, 28966470), (10, 23173176), (12, 19310980), (13, 17825520), (15, 15448784), (16, 14483235), (17, 13631280), (20, 11586588), (24, 9655490), (26, 8912760), (30, 7724392), (34, 6815640), (39, 5941840), (40, 5793294), (48, 4827745), (51, 4543760), (52, 4456380), (60, 3862196), (65, 3565104), (68, 3407820), (78, 2970920), (80, 2896647), (85, 2726256), (102, 2271880), (104, 2228190), (120, 1931098), (130, 1782552), (136, 1703910), (156, 1485460), (170, 1363128), (195, 1188368), (204, 1135940), (208, 1114095), (221, 1048560), (240, 965549), (255, 908752), (257, 901680), (260, 891276), (272, 851955), (289, 801840), (312, 742730), (340, 681564), (390, 594184), (408, 567970), (442, 524280), (510, 454376), (514, 450840), (520, 445638), (578, 400920), (624, 371365), (663, 349520), (680, 340782), (771, 300560), (780, 297092), (816, 283985), (867, 267280), (884, 262140), (1020, 227188), (1028, 225420), (1040, 222819), (1105, 209712), (1156, 200460), (1285, 180336), (1326, 174760), (1360, 170391), (1445, 160368), (1542, 150280), (1560, 148546), (1734, 133640), (1768, 131070), (2040, 113594), (2056, 112710), (2210, 104856), (2312, 100230), (2570, 90168), (2652, 87380), (2890, 80184), (3084, 75140), (3120, 74273), (3315, 69904), (3341, 69360), (3468, 66820), (3536, 65535), (3757, 61680), (3855, 60112), (4080, 56797), (4112, 56355), (4335, 53456), (4369, 53040), (4420, 52428), (4624, 50115), (5140, 45084), (5304, 43690), (5780, 40092), (6168, 37570), (6630, 34952), (6682, 34680), (6936, 33410), (7514, 30840), (7710, 30056), (8670, 26728), (8738, 26520), (8840, 26214), (10023, 23120), (10280, 22542), (10608, 21845), (11271, 20560), (11560, 20046), (12336, 18785), (13107, 17680), (13260, 17476), (13364, 17340), (13872, 16705), (15028, 15420)]