641963376

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^2\times {\mathrm{4639}}^1$

素因数の和:4715

約数の個数: 90

約数和(自身を含む): 1856830560

約数和(自身を除く): 1214867184

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 62, 72, 93, 124, 144, 186, 248, 279, 372, 496, 558, 744, 961, 1116, 1488, 1922, 2232, 2883, 3844, 4464, 4639, 5766, 7688, 8649, 9278, 11532, 13917, 15376, 17298, 18556, 23064, 27834, 34596, 37112, 41751, 46128, 55668, 69192, 74224, 83502, 111336, 138384, 143809, 167004, 222672, 287618, 334008, 431427, 575236, 668016, 862854, 1150472, 1294281, 1725708, 2300944, 2588562, 3451416, 4458079, 5177124, 6902832, 8916158, 10354248, 13374237, 17832316, 20708496, 26748474, 35664632, 40122711, 53496948, 71329264, 80245422, 106993896, 160490844, 213987792, 320981688, 641963376]

約数ペア:

[(1, 641963376), (2, 320981688), (3, 213987792), (4, 160490844), (6, 106993896), (8, 80245422), (9, 71329264), (12, 53496948), (16, 40122711), (18, 35664632), (24, 26748474), (31, 20708496), (36, 17832316), (48, 13374237), (62, 10354248), (72, 8916158), (93, 6902832), (124, 5177124), (144, 4458079), (186, 3451416), (248, 2588562), (279, 2300944), (372, 1725708), (496, 1294281), (558, 1150472), (744, 862854), (961, 668016), (1116, 575236), (1488, 431427), (1922, 334008), (2232, 287618), (2883, 222672), (3844, 167004), (4464, 143809), (4639, 138384), (5766, 111336), (7688, 83502), (8649, 74224), (9278, 69192), (11532, 55668), (13917, 46128), (15376, 41751), (17298, 37112), (18556, 34596), (23064, 27834)]