123375564

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:220

約数の個数: 144

約数和(自身を含む): 352235520

約数和(自身を除く): 228859956

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 47, 52, 71, 78, 79, 94, 117, 141, 142, 156, 158, 188, 213, 234, 237, 282, 284, 316, 423, 426, 468, 474, 564, 611, 639, 711, 846, 852, 923, 948, 1027, 1222, 1278, 1422, 1692, 1833, 1846, 2054, 2444, 2556, 2769, 2844, 3081, 3337, 3666, 3692, 3713, 4108, 5499, 5538, 5609, 6162, 6674, 7332, 7426, 8307, 9243, 10011, 10998, 11076, 11139, 11218, 12324, 13348, 14852, 16614, 16827, 18486, 20022, 21996, 22278, 22436, 30033, 33228, 33417, 33654, 36972, 40044, 43381, 44556, 48269, 50481, 60066, 66834, 67308, 72917, 86762, 96538, 100962, 120132, 130143, 133668, 144807, 145834, 173524, 193076, 201924, 218751, 260286, 263623, 289614, 291668, 390429, 434421, 437502, 520572, 527246, 579228, 656253, 780858, 790869, 868842, 875004, 1054492, 1312506, 1561716, 1581738, 1737684, 2372607, 2625012, 3163476, 3427099, 4745214, 6854198, 9490428, 10281297, 13708396, 20562594, 30843891, 41125188, 61687782, 123375564]

約数ペア:

[(1, 123375564), (2, 61687782), (3, 41125188), (4, 30843891), (6, 20562594), (9, 13708396), (12, 10281297), (13, 9490428), (18, 6854198), (26, 4745214), (36, 3427099), (39, 3163476), (47, 2625012), (52, 2372607), (71, 1737684), (78, 1581738), (79, 1561716), (94, 1312506), (117, 1054492), (141, 875004), (142, 868842), (156, 790869), (158, 780858), (188, 656253), (213, 579228), (234, 527246), (237, 520572), (282, 437502), (284, 434421), (316, 390429), (423, 291668), (426, 289614), (468, 263623), (474, 260286), (564, 218751), (611, 201924), (639, 193076), (711, 173524), (846, 145834), (852, 144807), (923, 133668), (948, 130143), (1027, 120132), (1222, 100962), (1278, 96538), (1422, 86762), (1692, 72917), (1833, 67308), (1846, 66834), (2054, 60066), (2444, 50481), (2556, 48269), (2769, 44556), (2844, 43381), (3081, 40044), (3337, 36972), (3666, 33654), (3692, 33417), (3713, 33228), (4108, 30033), (5499, 22436), (5538, 22278), (5609, 21996), (6162, 20022), (6674, 18486), (7332, 16827), (7426, 16614), (8307, 14852), (9243, 13348), (10011, 12324), (10998, 11218), (11076, 11139)]