258917880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{617}}^1$

素因数の和:913

約数の個数: 128

約数和(自身を含む): 840974400

約数和(自身を除く): 582056520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 269, 312, 390, 520, 538, 617, 780, 807, 1076, 1234, 1345, 1560, 1614, 1851, 2152, 2468, 2690, 3085, 3228, 3497, 3702, 4035, 4936, 5380, 6170, 6456, 6994, 7404, 8021, 8070, 9255, 10491, 10760, 12340, 13988, 14808, 16042, 16140, 17485, 18510, 20982, 24063, 24680, 27976, 32084, 32280, 34970, 37020, 40105, 41964, 48126, 52455, 64168, 69940, 74040, 80210, 83928, 96252, 104910, 120315, 139880, 160420, 165973, 192504, 209820, 240630, 320840, 331946, 419640, 481260, 497919, 663892, 829865, 962520, 995838, 1327784, 1659730, 1991676, 2157649, 2489595, 3319460, 3983352, 4315298, 4979190, 6472947, 6638920, 8630596, 9958380, 10788245, 12945894, 17261192, 19916760, 21576490, 25891788, 32364735, 43152980, 51783576, 64729470, 86305960, 129458940, 258917880]

約数ペア:

[(1, 258917880), (2, 129458940), (3, 86305960), (4, 64729470), (5, 51783576), (6, 43152980), (8, 32364735), (10, 25891788), (12, 21576490), (13, 19916760), (15, 17261192), (20, 12945894), (24, 10788245), (26, 9958380), (30, 8630596), (39, 6638920), (40, 6472947), (52, 4979190), (60, 4315298), (65, 3983352), (78, 3319460), (104, 2489595), (120, 2157649), (130, 1991676), (156, 1659730), (195, 1327784), (260, 995838), (269, 962520), (312, 829865), (390, 663892), (520, 497919), (538, 481260), (617, 419640), (780, 331946), (807, 320840), (1076, 240630), (1234, 209820), (1345, 192504), (1560, 165973), (1614, 160420), (1851, 139880), (2152, 120315), (2468, 104910), (2690, 96252), (3085, 83928), (3228, 80210), (3497, 74040), (3702, 69940), (4035, 64168), (4936, 52455), (5380, 48126), (6170, 41964), (6456, 40105), (6994, 37020), (7404, 34970), (8021, 32280), (8070, 32084), (9255, 27976), (10491, 24680), (10760, 24063), (12340, 20982), (13988, 18510), (14808, 17485), (16042, 16140)]