2146564620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^2\times {\mathrm{281}}^1$

素因数の和:401

約数の個数: 216

約数和(自身を含む): 6932435328

約数和(自身を除く): 4785870708

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 37, 45, 60, 62, 74, 90, 93, 111, 124, 148, 155, 180, 185, 186, 222, 279, 281, 310, 333, 370, 372, 444, 465, 555, 558, 562, 620, 666, 740, 843, 930, 1110, 1116, 1124, 1147, 1332, 1369, 1395, 1405, 1665, 1686, 1860, 2220, 2294, 2529, 2738, 2790, 2810, 3330, 3372, 3441, 4107, 4215, 4588, 5058, 5476, 5580, 5620, 5735, 6660, 6845, 6882, 8214, 8430, 8711, 10116, 10323, 10397, 11470, 12321, 12645, 13690, 13764, 16428, 16860, 17205, 17422, 20535, 20646, 20794, 22940, 24642, 25290, 26133, 27380, 31191, 34410, 34844, 41070, 41292, 41588, 42439, 43555, 49284, 50580, 51615, 51985, 52266, 61605, 62382, 68820, 78399, 82140, 84878, 87110, 93573, 103230, 103970, 104532, 123210, 124764, 127317, 130665, 155955, 156798, 169756, 174220, 187146, 206460, 207940, 212195, 246420, 254634, 261330, 311910, 313596, 322307, 374292, 381951, 384689, 391995, 424390, 467865, 509268, 522660, 623820, 636585, 644614, 763902, 769378, 783990, 848780, 935730, 966921, 1154067, 1273170, 1289228, 1527804, 1538756, 1567980, 1611535, 1871460, 1909755, 1923445, 1933842, 2308134, 2546340, 2900763, 3223070, 3462201, 3819510, 3846890, 3867684, 4616268, 4834605, 5770335, 5801526, 6446140, 6924402, 7639020, 7693780, 9669210, 11540670, 11603052, 11925359, 13848804, 14503815, 17311005, 19338420, 23081340, 23850718, 29007630, 34622010, 35776077, 47701436, 58015260, 59626795, 69244020, 71552154, 107328231, 119253590, 143104308, 178880385, 214656462, 238507180, 357760770, 429312924, 536641155, 715521540, 1073282310, 2146564620]

約数ペア:

[(1, 2146564620), (2, 1073282310), (3, 715521540), (4, 536641155), (5, 429312924), (6, 357760770), (9, 238507180), (10, 214656462), (12, 178880385), (15, 143104308), (18, 119253590), (20, 107328231), (30, 71552154), (31, 69244020), (36, 59626795), (37, 58015260), (45, 47701436), (60, 35776077), (62, 34622010), (74, 29007630), (90, 23850718), (93, 23081340), (111, 19338420), (124, 17311005), (148, 14503815), (155, 13848804), (180, 11925359), (185, 11603052), (186, 11540670), (222, 9669210), (279, 7693780), (281, 7639020), (310, 6924402), (333, 6446140), (370, 5801526), (372, 5770335), (444, 4834605), (465, 4616268), (555, 3867684), (558, 3846890), (562, 3819510), (620, 3462201), (666, 3223070), (740, 2900763), (843, 2546340), (930, 2308134), (1110, 1933842), (1116, 1923445), (1124, 1909755), (1147, 1871460), (1332, 1611535), (1369, 1567980), (1395, 1538756), (1405, 1527804), (1665, 1289228), (1686, 1273170), (1860, 1154067), (2220, 966921), (2294, 935730), (2529, 848780), (2738, 783990), (2790, 769378), (2810, 763902), (3330, 644614), (3372, 636585), (3441, 623820), (4107, 522660), (4215, 509268), (4588, 467865), (5058, 424390), (5476, 391995), (5580, 384689), (5620, 381951), (5735, 374292), (6660, 322307), (6845, 313596), (6882, 311910), (8214, 261330), (8430, 254634), (8711, 246420), (10116, 212195), (10323, 207940), (10397, 206460), (11470, 187146), (12321, 174220), (12645, 169756), (13690, 156798), (13764, 155955), (16428, 130665), (16860, 127317), (17205, 124764), (17422, 123210), (20535, 104532), (20646, 103970), (20794, 103230), (22940, 93573), (24642, 87110), (25290, 84878), (26133, 82140), (27380, 78399), (31191, 68820), (34410, 62382), (34844, 61605), (41070, 52266), (41292, 51985), (41588, 51615), (42439, 50580), (43555, 49284)]