81375372

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:204

約数の個数: 144

約数和(自身を含む): 234823680

約数和(自身を除く): 153448308

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 71, 78, 79, 93, 117, 124, 142, 156, 158, 186, 213, 234, 237, 279, 284, 316, 372, 403, 426, 468, 474, 558, 639, 711, 806, 852, 923, 948, 1027, 1116, 1209, 1278, 1422, 1612, 1846, 2054, 2201, 2418, 2449, 2556, 2769, 2844, 3081, 3627, 3692, 4108, 4402, 4836, 4898, 5538, 5609, 6162, 6603, 7254, 7347, 8307, 8804, 9243, 9796, 11076, 11218, 12324, 13206, 14508, 14694, 16614, 16827, 18486, 19809, 22041, 22436, 26412, 28613, 29388, 31837, 33228, 33654, 36972, 39618, 44082, 50481, 57226, 63674, 67308, 72917, 79236, 85839, 88164, 95511, 100962, 114452, 127348, 145834, 171678, 173879, 191022, 201924, 218751, 257517, 286533, 291668, 343356, 347758, 382044, 437502, 515034, 521637, 573066, 656253, 695516, 875004, 1030068, 1043274, 1146132, 1312506, 1564911, 2086548, 2260427, 2625012, 3129822, 4520854, 6259644, 6781281, 9041708, 13562562, 20343843, 27125124, 40687686, 81375372]

約数ペア:

[(1, 81375372), (2, 40687686), (3, 27125124), (4, 20343843), (6, 13562562), (9, 9041708), (12, 6781281), (13, 6259644), (18, 4520854), (26, 3129822), (31, 2625012), (36, 2260427), (39, 2086548), (52, 1564911), (62, 1312506), (71, 1146132), (78, 1043274), (79, 1030068), (93, 875004), (117, 695516), (124, 656253), (142, 573066), (156, 521637), (158, 515034), (186, 437502), (213, 382044), (234, 347758), (237, 343356), (279, 291668), (284, 286533), (316, 257517), (372, 218751), (403, 201924), (426, 191022), (468, 173879), (474, 171678), (558, 145834), (639, 127348), (711, 114452), (806, 100962), (852, 95511), (923, 88164), (948, 85839), (1027, 79236), (1116, 72917), (1209, 67308), (1278, 63674), (1422, 57226), (1612, 50481), (1846, 44082), (2054, 39618), (2201, 36972), (2418, 33654), (2449, 33228), (2556, 31837), (2769, 29388), (2844, 28613), (3081, 26412), (3627, 22436), (3692, 22041), (4108, 19809), (4402, 18486), (4836, 16827), (4898, 16614), (5538, 14694), (5609, 14508), (6162, 13206), (6603, 12324), (7254, 11218), (7347, 11076), (8307, 9796), (8804, 9243)]