31323240

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1$

素因数の和:153

約数の個数: 256

約数和(自身を含む): 118540800

約数和(自身を除く): 87217560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 23, 24, 26, 27, 30, 36, 39, 40, 45, 46, 52, 54, 60, 65, 69, 72, 78, 90, 92, 97, 104, 108, 115, 117, 120, 130, 135, 138, 156, 180, 184, 194, 195, 207, 216, 230, 234, 260, 270, 276, 291, 299, 312, 345, 351, 360, 388, 390, 414, 460, 468, 485, 520, 540, 552, 582, 585, 598, 621, 690, 702, 776, 780, 828, 873, 897, 920, 936, 970, 1035, 1080, 1164, 1170, 1196, 1242, 1261, 1380, 1404, 1455, 1495, 1560, 1656, 1746, 1755, 1794, 1940, 2070, 2231, 2328, 2340, 2392, 2484, 2522, 2619, 2691, 2760, 2808, 2910, 2990, 3105, 3492, 3510, 3588, 3783, 3880, 4140, 4365, 4462, 4485, 4680, 4968, 5044, 5238, 5382, 5820, 5980, 6210, 6305, 6693, 6984, 7020, 7176, 7566, 8073, 8280, 8730, 8924, 8970, 10088, 10476, 10764, 11155, 11349, 11640, 11960, 12420, 12610, 13095, 13386, 13455, 14040, 15132, 16146, 17460, 17848, 17940, 18915, 20079, 20952, 21528, 22310, 22698, 24840, 25220, 26190, 26772, 26910, 29003, 30264, 32292, 33465, 34047, 34920, 35880, 37830, 40158, 40365, 44620, 45396, 50440, 52380, 53544, 53820, 56745, 58006, 60237, 64584, 66930, 68094, 75660, 80316, 80730, 87009, 89240, 90792, 100395, 104760, 107640, 113490, 116012, 120474, 133860, 136188, 145015, 151320, 160632, 161460, 170235, 174018, 200790, 226980, 232024, 240948, 261027, 267720, 272376, 290030, 301185, 322920, 340470, 348036, 401580, 435045, 453960, 481896, 522054, 580060, 602370, 680940, 696072, 783081, 803160, 870090, 1044108, 1160120, 1204740, 1305135, 1361880, 1566162, 1740180, 2088216, 2409480, 2610270, 3132324, 3480360, 3915405, 5220540, 6264648, 7830810, 10441080, 15661620, 31323240]

約数ペア:

[(1, 31323240), (2, 15661620), (3, 10441080), (4, 7830810), (5, 6264648), (6, 5220540), (8, 3915405), (9, 3480360), (10, 3132324), (12, 2610270), (13, 2409480), (15, 2088216), (18, 1740180), (20, 1566162), (23, 1361880), (24, 1305135), (26, 1204740), (27, 1160120), (30, 1044108), (36, 870090), (39, 803160), (40, 783081), (45, 696072), (46, 680940), (52, 602370), (54, 580060), (60, 522054), (65, 481896), (69, 453960), (72, 435045), (78, 401580), (90, 348036), (92, 340470), (97, 322920), (104, 301185), (108, 290030), (115, 272376), (117, 267720), (120, 261027), (130, 240948), (135, 232024), (138, 226980), (156, 200790), (180, 174018), (184, 170235), (194, 161460), (195, 160632), (207, 151320), (216, 145015), (230, 136188), (234, 133860), (260, 120474), (270, 116012), (276, 113490), (291, 107640), (299, 104760), (312, 100395), (345, 90792), (351, 89240), (360, 87009), (388, 80730), (390, 80316), (414, 75660), (460, 68094), (468, 66930), (485, 64584), (520, 60237), (540, 58006), (552, 56745), (582, 53820), (585, 53544), (598, 52380), (621, 50440), (690, 45396), (702, 44620), (776, 40365), (780, 40158), (828, 37830), (873, 35880), (897, 34920), (920, 34047), (936, 33465), (970, 32292), (1035, 30264), (1080, 29003), (1164, 26910), (1170, 26772), (1196, 26190), (1242, 25220), (1261, 24840), (1380, 22698), (1404, 22310), (1455, 21528), (1495, 20952), (1560, 20079), (1656, 18915), (1746, 17940), (1755, 17848), (1794, 17460), (1940, 16146), (2070, 15132), (2231, 14040), (2328, 13455), (2340, 13386), (2392, 13095), (2484, 12610), (2522, 12420), (2619, 11960), (2691, 11640), (2760, 11349), (2808, 11155), (2910, 10764), (2990, 10476), (3105, 10088), (3492, 8970), (3510, 8924), (3588, 8730), (3783, 8280), (3880, 8073), (4140, 7566), (4365, 7176), (4462, 7020), (4485, 6984), (4680, 6693), (4968, 6305), (5044, 6210), (5238, 5980), (5382, 5820)]