1964864320

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{4831}}^1$

素因数の和:4920

約数の個数: 112

約数和(自身を含む): 4948586496

約数和(自身を除く): 2983722176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 62, 64, 80, 82, 124, 155, 160, 164, 205, 248, 310, 320, 328, 410, 496, 620, 656, 820, 992, 1240, 1271, 1312, 1640, 1984, 2480, 2542, 2624, 3280, 4831, 4960, 5084, 6355, 6560, 9662, 9920, 10168, 12710, 13120, 19324, 20336, 24155, 25420, 38648, 40672, 48310, 50840, 77296, 81344, 96620, 101680, 149761, 154592, 193240, 198071, 203360, 299522, 309184, 386480, 396142, 406720, 599044, 748805, 772960, 792284, 990355, 1198088, 1497610, 1545920, 1584568, 1980710, 2396176, 2995220, 3169136, 3961420, 4792352, 5990440, 6140201, 6338272, 7922840, 9584704, 11980880, 12280402, 12676544, 15845680, 23961760, 24560804, 30701005, 31691360, 47923520, 49121608, 61402010, 63382720, 98243216, 122804020, 196486432, 245608040, 392972864, 491216080, 982432160, 1964864320]

約数ペア:

[(1, 1964864320), (2, 982432160), (4, 491216080), (5, 392972864), (8, 245608040), (10, 196486432), (16, 122804020), (20, 98243216), (31, 63382720), (32, 61402010), (40, 49121608), (41, 47923520), (62, 31691360), (64, 30701005), (80, 24560804), (82, 23961760), (124, 15845680), (155, 12676544), (160, 12280402), (164, 11980880), (205, 9584704), (248, 7922840), (310, 6338272), (320, 6140201), (328, 5990440), (410, 4792352), (496, 3961420), (620, 3169136), (656, 2995220), (820, 2396176), (992, 1980710), (1240, 1584568), (1271, 1545920), (1312, 1497610), (1640, 1198088), (1984, 990355), (2480, 792284), (2542, 772960), (2624, 748805), (3280, 599044), (4831, 406720), (4960, 396142), (5084, 386480), (6355, 309184), (6560, 299522), (9662, 203360), (9920, 198071), (10168, 193240), (12710, 154592), (13120, 149761), (19324, 101680), (20336, 96620), (24155, 81344), (25420, 77296), (38648, 50840), (40672, 48310)]