1640274012

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{1487}}^1\times {\mathrm{2357}}^1$

素因数の和:3867

約数の個数: 72

約数和(自身を含む): 4470088896

約数和(自身を除く): 2829814884

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 1487, 2357, 2974, 4461, 4714, 5948, 7071, 8922, 9428, 13383, 14142, 17844, 19331, 21213, 26766, 28284, 30641, 38662, 42426, 53532, 57993, 61282, 77324, 84852, 91923, 115986, 122564, 173979, 183846, 231972, 275769, 347958, 367692, 551538, 695916, 1103076, 3504859, 7009718, 10514577, 14019436, 21029154, 31543731, 42058308, 45563167, 63087462, 91126334, 126174924, 136689501, 182252668, 273379002, 410068503, 546758004, 820137006, 1640274012]

約数ペア:

[(1, 1640274012), (2, 820137006), (3, 546758004), (4, 410068503), (6, 273379002), (9, 182252668), (12, 136689501), (13, 126174924), (18, 91126334), (26, 63087462), (36, 45563167), (39, 42058308), (52, 31543731), (78, 21029154), (117, 14019436), (156, 10514577), (234, 7009718), (468, 3504859), (1487, 1103076), (2357, 695916), (2974, 551538), (4461, 367692), (4714, 347958), (5948, 275769), (7071, 231972), (8922, 183846), (9428, 173979), (13383, 122564), (14142, 115986), (17844, 91923), (19331, 84852), (21213, 77324), (26766, 61282), (28284, 57993), (30641, 53532), (38662, 42426)]