1221124740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:231

約数の個数: 288

約数和(自身を含む): 4015484928

約数和(自身を除く): 2794360188

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 23, 30, 33, 44, 46, 55, 60, 66, 69, 71, 92, 103, 110, 115, 121, 132, 138, 142, 165, 206, 213, 220, 230, 242, 253, 276, 284, 309, 330, 345, 355, 363, 412, 426, 460, 484, 506, 515, 605, 618, 660, 690, 710, 726, 759, 781, 852, 1012, 1030, 1065, 1133, 1210, 1236, 1265, 1380, 1420, 1452, 1518, 1545, 1562, 1633, 1815, 2060, 2130, 2266, 2343, 2369, 2420, 2530, 2783, 3036, 3090, 3124, 3266, 3399, 3630, 3795, 3905, 4260, 4532, 4686, 4738, 4899, 5060, 5566, 5665, 6180, 6532, 6798, 7107, 7260, 7313, 7590, 7810, 8165, 8349, 8591, 9372, 9476, 9798, 11132, 11330, 11715, 11845, 12463, 13596, 13915, 14214, 14626, 15180, 15620, 16330, 16698, 16995, 17182, 17963, 19596, 21939, 22660, 23430, 23690, 24495, 24926, 25773, 26059, 27830, 28428, 29252, 32660, 33396, 33990, 34364, 35535, 35926, 36565, 37389, 41745, 42955, 43878, 46860, 47380, 48990, 49852, 51546, 52118, 53889, 55660, 62315, 67980, 71070, 71852, 73130, 74778, 78177, 80443, 83490, 85910, 87756, 89815, 97980, 103092, 104236, 107778, 109695, 124630, 128865, 130295, 142140, 146260, 149556, 156354, 160886, 166980, 168199, 171820, 179630, 186945, 197593, 215556, 219390, 241329, 249260, 257730, 260590, 269445, 286649, 312708, 321772, 336398, 359260, 373890, 390885, 395186, 402215, 438780, 482658, 504597, 515460, 521180, 538890, 573298, 592779, 672796, 747780, 781770, 790372, 804430, 840995, 859947, 884873, 965316, 987965, 1009194, 1077780, 1146596, 1185558, 1206645, 1433245, 1563540, 1608860, 1681990, 1719894, 1769746, 1850189, 1975930, 2018388, 2371116, 2413290, 2522985, 2654619, 2866490, 2963895, 3363980, 3439788, 3539492, 3700378, 3951860, 4299735, 4424365, 4826580, 5045970, 5309238, 5550567, 5732980, 5927790, 7400756, 8599470, 8848730, 9250945, 10091940, 10618476, 11101134, 11855580, 13273095, 17198940, 17697460, 18501890, 20352079, 22202268, 26546190, 27752835, 37003780, 40704158, 53092380, 55505670, 61056237, 81408316, 101760395, 111011340, 122112474, 203520790, 244224948, 305281185, 407041580, 610562370, 1221124740]

約数ペア:

[(1, 1221124740), (2, 610562370), (3, 407041580), (4, 305281185), (5, 244224948), (6, 203520790), (10, 122112474), (11, 111011340), (12, 101760395), (15, 81408316), (20, 61056237), (22, 55505670), (23, 53092380), (30, 40704158), (33, 37003780), (44, 27752835), (46, 26546190), (55, 22202268), (60, 20352079), (66, 18501890), (69, 17697460), (71, 17198940), (92, 13273095), (103, 11855580), (110, 11101134), (115, 10618476), (121, 10091940), (132, 9250945), (138, 8848730), (142, 8599470), (165, 7400756), (206, 5927790), (213, 5732980), (220, 5550567), (230, 5309238), (242, 5045970), (253, 4826580), (276, 4424365), (284, 4299735), (309, 3951860), (330, 3700378), (345, 3539492), (355, 3439788), (363, 3363980), (412, 2963895), (426, 2866490), (460, 2654619), (484, 2522985), (506, 2413290), (515, 2371116), (605, 2018388), (618, 1975930), (660, 1850189), (690, 1769746), (710, 1719894), (726, 1681990), (759, 1608860), (781, 1563540), (852, 1433245), (1012, 1206645), (1030, 1185558), (1065, 1146596), (1133, 1077780), (1210, 1009194), (1236, 987965), (1265, 965316), (1380, 884873), (1420, 859947), (1452, 840995), (1518, 804430), (1545, 790372), (1562, 781770), (1633, 747780), (1815, 672796), (2060, 592779), (2130, 573298), (2266, 538890), (2343, 521180), (2369, 515460), (2420, 504597), (2530, 482658), (2783, 438780), (3036, 402215), (3090, 395186), (3124, 390885), (3266, 373890), (3399, 359260), (3630, 336398), (3795, 321772), (3905, 312708), (4260, 286649), (4532, 269445), (4686, 260590), (4738, 257730), (4899, 249260), (5060, 241329), (5566, 219390), (5665, 215556), (6180, 197593), (6532, 186945), (6798, 179630), (7107, 171820), (7260, 168199), (7313, 166980), (7590, 160886), (7810, 156354), (8165, 149556), (8349, 146260), (8591, 142140), (9372, 130295), (9476, 128865), (9798, 124630), (11132, 109695), (11330, 107778), (11715, 104236), (11845, 103092), (12463, 97980), (13596, 89815), (13915, 87756), (14214, 85910), (14626, 83490), (15180, 80443), (15620, 78177), (16330, 74778), (16698, 73130), (16995, 71852), (17182, 71070), (17963, 67980), (19596, 62315), (21939, 55660), (22660, 53889), (23430, 52118), (23690, 51546), (24495, 49852), (24926, 48990), (25773, 47380), (26059, 46860), (27830, 43878), (28428, 42955), (29252, 41745), (32660, 37389), (33396, 36565), (33990, 35926), (34364, 35535)]