1640668890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{2593}}^1$

素因数の和:2764

約数の個数: 128

約数和(自身を含む): 4733448192

約数和(自身を除く): 3092779302

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 23, 30, 35, 42, 46, 69, 70, 105, 115, 131, 138, 161, 210, 230, 262, 322, 345, 393, 483, 655, 690, 786, 805, 917, 966, 1310, 1610, 1834, 1965, 2415, 2593, 2751, 3013, 3930, 4585, 4830, 5186, 5502, 6026, 7779, 9039, 9170, 12965, 13755, 15065, 15558, 18078, 18151, 21091, 25930, 27510, 30130, 36302, 38895, 42182, 45195, 54453, 59639, 63273, 77790, 90390, 90755, 105455, 108906, 119278, 126546, 178917, 181510, 210910, 272265, 298195, 316365, 339683, 357834, 417473, 544530, 596390, 632730, 679366, 834946, 894585, 1019049, 1252419, 1698415, 1789170, 2038098, 2087365, 2377781, 2504838, 3396830, 4174730, 4755562, 5095245, 6262095, 7133343, 7812709, 10190490, 11888905, 12524190, 14266686, 15625418, 23438127, 23777810, 35666715, 39063545, 46876254, 54688963, 71333430, 78127090, 109377926, 117190635, 164066889, 234381270, 273444815, 328133778, 546889630, 820334445, 1640668890]

約数ペア:

[(1, 1640668890), (2, 820334445), (3, 546889630), (5, 328133778), (6, 273444815), (7, 234381270), (10, 164066889), (14, 117190635), (15, 109377926), (21, 78127090), (23, 71333430), (30, 54688963), (35, 46876254), (42, 39063545), (46, 35666715), (69, 23777810), (70, 23438127), (105, 15625418), (115, 14266686), (131, 12524190), (138, 11888905), (161, 10190490), (210, 7812709), (230, 7133343), (262, 6262095), (322, 5095245), (345, 4755562), (393, 4174730), (483, 3396830), (655, 2504838), (690, 2377781), (786, 2087365), (805, 2038098), (917, 1789170), (966, 1698415), (1310, 1252419), (1610, 1019049), (1834, 894585), (1965, 834946), (2415, 679366), (2593, 632730), (2751, 596390), (3013, 544530), (3930, 417473), (4585, 357834), (4830, 339683), (5186, 316365), (5502, 298195), (6026, 272265), (7779, 210910), (9039, 181510), (9170, 178917), (12965, 126546), (13755, 119278), (15065, 108906), (15558, 105455), (18078, 90755), (18151, 90390), (21091, 77790), (25930, 63273), (27510, 59639), (30130, 54453), (36302, 45195), (38895, 42182)]