204490260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2819}}^1$

素因数の和:2878

約数の個数: 144

約数和(自身を含む): 689794560

約数和(自身を除く): 485304300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 31, 36, 39, 45, 52, 60, 62, 65, 78, 90, 93, 117, 124, 130, 155, 156, 180, 186, 195, 234, 260, 279, 310, 372, 390, 403, 465, 468, 558, 585, 620, 780, 806, 930, 1116, 1170, 1209, 1395, 1612, 1860, 2015, 2340, 2418, 2790, 2819, 3627, 4030, 4836, 5580, 5638, 6045, 7254, 8060, 8457, 11276, 12090, 14095, 14508, 16914, 18135, 24180, 25371, 28190, 33828, 36270, 36647, 42285, 50742, 56380, 72540, 73294, 84570, 87389, 101484, 109941, 126855, 146588, 169140, 174778, 183235, 219882, 253710, 262167, 329823, 349556, 366470, 436945, 439764, 507420, 524334, 549705, 659646, 732940, 786501, 873890, 1048668, 1099410, 1136057, 1310835, 1319292, 1573002, 1649115, 1747780, 2198820, 2272114, 2621670, 3146004, 3298230, 3408171, 3932505, 4544228, 5243340, 5680285, 6596460, 6816342, 7865010, 10224513, 11360570, 13632684, 15730020, 17040855, 20449026, 22721140, 34081710, 40898052, 51122565, 68163420, 102245130, 204490260]

約数ペア:

[(1, 204490260), (2, 102245130), (3, 68163420), (4, 51122565), (5, 40898052), (6, 34081710), (9, 22721140), (10, 20449026), (12, 17040855), (13, 15730020), (15, 13632684), (18, 11360570), (20, 10224513), (26, 7865010), (30, 6816342), (31, 6596460), (36, 5680285), (39, 5243340), (45, 4544228), (52, 3932505), (60, 3408171), (62, 3298230), (65, 3146004), (78, 2621670), (90, 2272114), (93, 2198820), (117, 1747780), (124, 1649115), (130, 1573002), (155, 1319292), (156, 1310835), (180, 1136057), (186, 1099410), (195, 1048668), (234, 873890), (260, 786501), (279, 732940), (310, 659646), (372, 549705), (390, 524334), (403, 507420), (465, 439764), (468, 436945), (558, 366470), (585, 349556), (620, 329823), (780, 262167), (806, 253710), (930, 219882), (1116, 183235), (1170, 174778), (1209, 169140), (1395, 146588), (1612, 126855), (1860, 109941), (2015, 101484), (2340, 87389), (2418, 84570), (2790, 73294), (2819, 72540), (3627, 56380), (4030, 50742), (4836, 42285), (5580, 36647), (5638, 36270), (6045, 33828), (7254, 28190), (8060, 25371), (8457, 24180), (11276, 18135), (12090, 16914), (14095, 14508)]