25158420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{487}}^1$

素因数の和:550

約数の個数: 144

約数和(自身を含む): 89526528

約数和(自身を除く): 64368108

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 41, 42, 45, 60, 63, 70, 82, 84, 90, 105, 123, 126, 140, 164, 180, 205, 210, 246, 252, 287, 315, 369, 410, 420, 487, 492, 574, 615, 630, 738, 820, 861, 974, 1148, 1230, 1260, 1435, 1461, 1476, 1722, 1845, 1948, 2435, 2460, 2583, 2870, 2922, 3409, 3444, 3690, 4305, 4383, 4870, 5166, 5740, 5844, 6818, 7305, 7380, 8610, 8766, 9740, 10227, 10332, 12915, 13636, 14610, 17045, 17220, 17532, 19967, 20454, 21915, 25830, 29220, 30681, 34090, 39934, 40908, 43830, 51135, 51660, 59901, 61362, 68180, 79868, 87660, 99835, 102270, 119802, 122724, 139769, 153405, 179703, 199670, 204540, 239604, 279538, 299505, 306810, 359406, 399340, 419307, 559076, 599010, 613620, 698845, 718812, 838614, 898515, 1198020, 1257921, 1397690, 1677228, 1797030, 2096535, 2515842, 2795380, 3594060, 4193070, 5031684, 6289605, 8386140, 12579210, 25158420]

約数ペア:

[(1, 25158420), (2, 12579210), (3, 8386140), (4, 6289605), (5, 5031684), (6, 4193070), (7, 3594060), (9, 2795380), (10, 2515842), (12, 2096535), (14, 1797030), (15, 1677228), (18, 1397690), (20, 1257921), (21, 1198020), (28, 898515), (30, 838614), (35, 718812), (36, 698845), (41, 613620), (42, 599010), (45, 559076), (60, 419307), (63, 399340), (70, 359406), (82, 306810), (84, 299505), (90, 279538), (105, 239604), (123, 204540), (126, 199670), (140, 179703), (164, 153405), (180, 139769), (205, 122724), (210, 119802), (246, 102270), (252, 99835), (287, 87660), (315, 79868), (369, 68180), (410, 61362), (420, 59901), (487, 51660), (492, 51135), (574, 43830), (615, 40908), (630, 39934), (738, 34090), (820, 30681), (861, 29220), (974, 25830), (1148, 21915), (1230, 20454), (1260, 19967), (1435, 17532), (1461, 17220), (1476, 17045), (1722, 14610), (1845, 13636), (1948, 12915), (2435, 10332), (2460, 10227), (2583, 9740), (2870, 8766), (2922, 8610), (3409, 7380), (3444, 7305), (3690, 6818), (4305, 5844), (4383, 5740), (4870, 5166)]