72154980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1$

素因数の和:306

約数の個数: 144

約数和(自身を含む): 230490624

約数和(自身を除く): 158335644

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 67, 90, 93, 124, 134, 155, 180, 186, 193, 201, 268, 279, 310, 335, 372, 386, 402, 465, 558, 579, 603, 620, 670, 772, 804, 930, 965, 1005, 1116, 1158, 1206, 1340, 1395, 1737, 1860, 1930, 2010, 2077, 2316, 2412, 2790, 2895, 3015, 3474, 3860, 4020, 4154, 5580, 5790, 5983, 6030, 6231, 6948, 8308, 8685, 10385, 11580, 11966, 12060, 12462, 12931, 17370, 17949, 18693, 20770, 23932, 24924, 25862, 29915, 31155, 34740, 35898, 37386, 38793, 41540, 51724, 53847, 59830, 62310, 64655, 71796, 74772, 77586, 89745, 93465, 107694, 116379, 119660, 124620, 129310, 155172, 179490, 186930, 193965, 215388, 232758, 258620, 269235, 358980, 373860, 387930, 400861, 465516, 538470, 581895, 775860, 801722, 1076940, 1163790, 1202583, 1603444, 2004305, 2327580, 2405166, 3607749, 4008610, 4810332, 6012915, 7215498, 8017220, 12025830, 14430996, 18038745, 24051660, 36077490, 72154980]

約数ペア:

[(1, 72154980), (2, 36077490), (3, 24051660), (4, 18038745), (5, 14430996), (6, 12025830), (9, 8017220), (10, 7215498), (12, 6012915), (15, 4810332), (18, 4008610), (20, 3607749), (30, 2405166), (31, 2327580), (36, 2004305), (45, 1603444), (60, 1202583), (62, 1163790), (67, 1076940), (90, 801722), (93, 775860), (124, 581895), (134, 538470), (155, 465516), (180, 400861), (186, 387930), (193, 373860), (201, 358980), (268, 269235), (279, 258620), (310, 232758), (335, 215388), (372, 193965), (386, 186930), (402, 179490), (465, 155172), (558, 129310), (579, 124620), (603, 119660), (620, 116379), (670, 107694), (772, 93465), (804, 89745), (930, 77586), (965, 74772), (1005, 71796), (1116, 64655), (1158, 62310), (1206, 59830), (1340, 53847), (1395, 51724), (1737, 41540), (1860, 38793), (1930, 37386), (2010, 35898), (2077, 34740), (2316, 31155), (2412, 29915), (2790, 25862), (2895, 24924), (3015, 23932), (3474, 20770), (3860, 18693), (4020, 17949), (4154, 17370), (5580, 12931), (5790, 12462), (5983, 12060), (6030, 11966), (6231, 11580), (6948, 10385), (8308, 8685)]