123908820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:270

約数の個数: 192

約数和(自身を含む): 421134336

約数和(自身を除く): 297225516

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 60, 69, 70, 84, 92, 101, 105, 115, 127, 138, 140, 161, 202, 210, 230, 254, 276, 303, 322, 345, 381, 404, 420, 460, 483, 505, 508, 606, 635, 644, 690, 707, 762, 805, 889, 966, 1010, 1212, 1270, 1380, 1414, 1515, 1524, 1610, 1778, 1905, 1932, 2020, 2121, 2323, 2415, 2540, 2667, 2828, 2921, 3030, 3220, 3535, 3556, 3810, 4242, 4445, 4646, 4830, 5334, 5842, 6060, 6969, 7070, 7620, 8484, 8763, 8890, 9292, 9660, 10605, 10668, 11615, 11684, 12827, 13335, 13938, 14140, 14605, 16261, 17526, 17780, 20447, 21210, 23230, 25654, 26670, 27876, 29210, 32522, 34845, 35052, 38481, 40894, 42420, 43815, 46460, 48783, 51308, 53340, 58420, 61341, 64135, 65044, 69690, 76962, 81305, 81788, 87630, 89789, 97566, 102235, 122682, 128270, 139380, 153924, 162610, 175260, 179578, 192405, 195132, 204470, 243915, 245364, 256540, 269367, 295021, 306705, 325220, 359156, 384810, 408940, 448945, 487830, 538734, 590042, 613410, 769620, 885063, 897890, 975660, 1077468, 1180084, 1226820, 1346835, 1475105, 1770126, 1795780, 2065147, 2693670, 2950210, 3540252, 4130294, 4425315, 5387340, 5900420, 6195441, 8260588, 8850630, 10325735, 12390882, 17701260, 20651470, 24781764, 30977205, 41302940, 61954410, 123908820]

約数ペア:

[(1, 123908820), (2, 61954410), (3, 41302940), (4, 30977205), (5, 24781764), (6, 20651470), (7, 17701260), (10, 12390882), (12, 10325735), (14, 8850630), (15, 8260588), (20, 6195441), (21, 5900420), (23, 5387340), (28, 4425315), (30, 4130294), (35, 3540252), (42, 2950210), (46, 2693670), (60, 2065147), (69, 1795780), (70, 1770126), (84, 1475105), (92, 1346835), (101, 1226820), (105, 1180084), (115, 1077468), (127, 975660), (138, 897890), (140, 885063), (161, 769620), (202, 613410), (210, 590042), (230, 538734), (254, 487830), (276, 448945), (303, 408940), (322, 384810), (345, 359156), (381, 325220), (404, 306705), (420, 295021), (460, 269367), (483, 256540), (505, 245364), (508, 243915), (606, 204470), (635, 195132), (644, 192405), (690, 179578), (707, 175260), (762, 162610), (805, 153924), (889, 139380), (966, 128270), (1010, 122682), (1212, 102235), (1270, 97566), (1380, 89789), (1414, 87630), (1515, 81788), (1524, 81305), (1610, 76962), (1778, 69690), (1905, 65044), (1932, 64135), (2020, 61341), (2121, 58420), (2323, 53340), (2415, 51308), (2540, 48783), (2667, 46460), (2828, 43815), (2921, 42420), (3030, 40894), (3220, 38481), (3535, 35052), (3556, 34845), (3810, 32522), (4242, 29210), (4445, 27876), (4646, 26670), (4830, 25654), (5334, 23230), (5842, 21210), (6060, 20447), (6969, 17780), (7070, 17526), (7620, 16261), (8484, 14605), (8763, 14140), (8890, 13938), (9292, 13335), (9660, 12827), (10605, 11684), (10668, 11615)]