639424380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1789}}^1$

素因数の和:1868

約数の個数: 192

約数和(自身を含む): 2194053120

約数和(自身を除く): 1554628740

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 37, 42, 46, 60, 69, 70, 74, 84, 92, 105, 111, 115, 138, 140, 148, 161, 185, 210, 222, 230, 259, 276, 322, 345, 370, 420, 444, 460, 483, 518, 555, 644, 690, 740, 777, 805, 851, 966, 1036, 1110, 1295, 1380, 1554, 1610, 1702, 1789, 1932, 2220, 2415, 2553, 2590, 3108, 3220, 3404, 3578, 3885, 4255, 4830, 5106, 5180, 5367, 5957, 7156, 7770, 8510, 8945, 9660, 10212, 10734, 11914, 12523, 12765, 15540, 17020, 17871, 17890, 21468, 23828, 25046, 25530, 26835, 29785, 35742, 35780, 37569, 41147, 50092, 51060, 53670, 59570, 62615, 66193, 71484, 75138, 82294, 89355, 107340, 119140, 123441, 125230, 132386, 150276, 164588, 178710, 187845, 198579, 205735, 246882, 250460, 264772, 288029, 330965, 357420, 375690, 397158, 411470, 463351, 493764, 576058, 617205, 661930, 751380, 794316, 822940, 864087, 926702, 992895, 1152116, 1234410, 1323860, 1390053, 1440145, 1522439, 1728174, 1853404, 1985790, 2316755, 2468820, 2780106, 2880290, 3044878, 3456348, 3971580, 4320435, 4567317, 4633510, 5560212, 5760580, 6089756, 6950265, 7612195, 8640870, 9134634, 9267020, 10657073, 13900530, 15224390, 17281740, 18269268, 21314146, 22836585, 27801060, 30448780, 31971219, 42628292, 45673170, 53285365, 63942438, 91346340, 106570730, 127884876, 159856095, 213141460, 319712190, 639424380]

約数ペア:

[(1, 639424380), (2, 319712190), (3, 213141460), (4, 159856095), (5, 127884876), (6, 106570730), (7, 91346340), (10, 63942438), (12, 53285365), (14, 45673170), (15, 42628292), (20, 31971219), (21, 30448780), (23, 27801060), (28, 22836585), (30, 21314146), (35, 18269268), (37, 17281740), (42, 15224390), (46, 13900530), (60, 10657073), (69, 9267020), (70, 9134634), (74, 8640870), (84, 7612195), (92, 6950265), (105, 6089756), (111, 5760580), (115, 5560212), (138, 4633510), (140, 4567317), (148, 4320435), (161, 3971580), (185, 3456348), (210, 3044878), (222, 2880290), (230, 2780106), (259, 2468820), (276, 2316755), (322, 1985790), (345, 1853404), (370, 1728174), (420, 1522439), (444, 1440145), (460, 1390053), (483, 1323860), (518, 1234410), (555, 1152116), (644, 992895), (690, 926702), (740, 864087), (777, 822940), (805, 794316), (851, 751380), (966, 661930), (1036, 617205), (1110, 576058), (1295, 493764), (1380, 463351), (1554, 411470), (1610, 397158), (1702, 375690), (1789, 357420), (1932, 330965), (2220, 288029), (2415, 264772), (2553, 250460), (2590, 246882), (3108, 205735), (3220, 198579), (3404, 187845), (3578, 178710), (3885, 164588), (4255, 150276), (4830, 132386), (5106, 125230), (5180, 123441), (5367, 119140), (5957, 107340), (7156, 89355), (7770, 82294), (8510, 75138), (8945, 71484), (9660, 66193), (10212, 62615), (10734, 59570), (11914, 53670), (12523, 51060), (12765, 50092), (15540, 41147), (17020, 37569), (17871, 35780), (17890, 35742), (21468, 29785), (23828, 26835), (25046, 25530)]