320491848

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:319

約数の個数: 128

約数和(自身を含む): 874800000

約数和(自身を除く): 554308152

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 53, 57, 76, 89, 106, 114, 149, 152, 159, 178, 212, 228, 267, 298, 318, 356, 424, 447, 456, 534, 596, 636, 712, 894, 1007, 1068, 1192, 1272, 1691, 1788, 2014, 2136, 2831, 3021, 3382, 3576, 4028, 4717, 5073, 5662, 6042, 6764, 7897, 8056, 8493, 9434, 10146, 11324, 12084, 13261, 13528, 14151, 15794, 16986, 18868, 20292, 22648, 23691, 24168, 26522, 28302, 31588, 33972, 37736, 39783, 40584, 47382, 53044, 56604, 63176, 67944, 79566, 89623, 94764, 106088, 113208, 150043, 159132, 179246, 189528, 251959, 268869, 300086, 318264, 358492, 450129, 503918, 537738, 600172, 702833, 716984, 755877, 900258, 1007836, 1075476, 1200344, 1405666, 1511754, 1800516, 2015672, 2108499, 2150952, 2811332, 3023508, 3601032, 4216998, 5622664, 6047016, 8433996, 13353827, 16867992, 26707654, 40061481, 53415308, 80122962, 106830616, 160245924, 320491848]

約数ペア:

[(1, 320491848), (2, 160245924), (3, 106830616), (4, 80122962), (6, 53415308), (8, 40061481), (12, 26707654), (19, 16867992), (24, 13353827), (38, 8433996), (53, 6047016), (57, 5622664), (76, 4216998), (89, 3601032), (106, 3023508), (114, 2811332), (149, 2150952), (152, 2108499), (159, 2015672), (178, 1800516), (212, 1511754), (228, 1405666), (267, 1200344), (298, 1075476), (318, 1007836), (356, 900258), (424, 755877), (447, 716984), (456, 702833), (534, 600172), (596, 537738), (636, 503918), (712, 450129), (894, 358492), (1007, 318264), (1068, 300086), (1192, 268869), (1272, 251959), (1691, 189528), (1788, 179246), (2014, 159132), (2136, 150043), (2831, 113208), (3021, 106088), (3382, 94764), (3576, 89623), (4028, 79566), (4717, 67944), (5073, 63176), (5662, 56604), (6042, 53044), (6764, 47382), (7897, 40584), (8056, 39783), (8493, 37736), (9434, 33972), (10146, 31588), (11324, 28302), (12084, 26522), (13261, 24168), (13528, 23691), (14151, 22648), (15794, 20292), (16986, 18868)]