25195140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:226

約数の個数: 144

約数和(自身を含む): 82555200

約数和(自身を除く): 57360060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 53, 57, 60, 76, 90, 95, 106, 114, 139, 159, 171, 180, 190, 212, 228, 265, 278, 285, 318, 342, 380, 417, 477, 530, 556, 570, 636, 684, 695, 795, 834, 855, 954, 1007, 1060, 1140, 1251, 1390, 1590, 1668, 1710, 1908, 2014, 2085, 2385, 2502, 2641, 2780, 3021, 3180, 3420, 4028, 4170, 4770, 5004, 5035, 5282, 6042, 6255, 7367, 7923, 8340, 9063, 9540, 10070, 10564, 12084, 12510, 13205, 14734, 15105, 15846, 18126, 20140, 22101, 23769, 25020, 26410, 29468, 30210, 31692, 36252, 36835, 39615, 44202, 45315, 47538, 52820, 60420, 66303, 73670, 79230, 88404, 90630, 95076, 110505, 118845, 132606, 139973, 147340, 158460, 181260, 221010, 237690, 265212, 279946, 331515, 419919, 442020, 475380, 559892, 663030, 699865, 839838, 1259757, 1326060, 1399730, 1679676, 2099595, 2519514, 2799460, 4199190, 5039028, 6298785, 8398380, 12597570, 25195140]

約数ペア:

[(1, 25195140), (2, 12597570), (3, 8398380), (4, 6298785), (5, 5039028), (6, 4199190), (9, 2799460), (10, 2519514), (12, 2099595), (15, 1679676), (18, 1399730), (19, 1326060), (20, 1259757), (30, 839838), (36, 699865), (38, 663030), (45, 559892), (53, 475380), (57, 442020), (60, 419919), (76, 331515), (90, 279946), (95, 265212), (106, 237690), (114, 221010), (139, 181260), (159, 158460), (171, 147340), (180, 139973), (190, 132606), (212, 118845), (228, 110505), (265, 95076), (278, 90630), (285, 88404), (318, 79230), (342, 73670), (380, 66303), (417, 60420), (477, 52820), (530, 47538), (556, 45315), (570, 44202), (636, 39615), (684, 36835), (695, 36252), (795, 31692), (834, 30210), (855, 29468), (954, 26410), (1007, 25020), (1060, 23769), (1140, 22101), (1251, 20140), (1390, 18126), (1590, 15846), (1668, 15105), (1710, 14734), (1908, 13205), (2014, 12510), (2085, 12084), (2385, 10564), (2502, 10070), (2641, 9540), (2780, 9063), (3021, 8340), (3180, 7923), (3420, 7367), (4028, 6255), (4170, 6042), (4770, 5282), (5004, 5035)]