391554120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{359}}^1$

素因数の和:583

約数の個数: 128

約数和(自身を含む): 1205280000

約数和(自身を除く): 813725880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 149, 183, 244, 298, 305, 359, 366, 447, 488, 596, 610, 718, 732, 745, 894, 915, 1077, 1192, 1220, 1436, 1464, 1490, 1788, 1795, 1830, 2154, 2235, 2440, 2872, 2980, 3576, 3590, 3660, 4308, 4470, 5385, 5960, 7180, 7320, 8616, 8940, 9089, 10770, 14360, 17880, 18178, 21540, 21899, 27267, 36356, 43080, 43798, 45445, 53491, 54534, 65697, 72712, 87596, 90890, 106982, 109068, 109495, 131394, 136335, 160473, 175192, 181780, 213964, 218136, 218990, 262788, 267455, 272670, 320946, 328485, 363560, 427928, 437980, 525576, 534910, 545340, 641892, 656970, 802365, 875960, 1069820, 1090680, 1283784, 1313940, 1604730, 2139640, 2627880, 3209460, 3262951, 6418920, 6525902, 9788853, 13051804, 16314755, 19577706, 26103608, 32629510, 39155412, 48944265, 65259020, 78310824, 97888530, 130518040, 195777060, 391554120]

約数ペア:

[(1, 391554120), (2, 195777060), (3, 130518040), (4, 97888530), (5, 78310824), (6, 65259020), (8, 48944265), (10, 39155412), (12, 32629510), (15, 26103608), (20, 19577706), (24, 16314755), (30, 13051804), (40, 9788853), (60, 6525902), (61, 6418920), (120, 3262951), (122, 3209460), (149, 2627880), (183, 2139640), (244, 1604730), (298, 1313940), (305, 1283784), (359, 1090680), (366, 1069820), (447, 875960), (488, 802365), (596, 656970), (610, 641892), (718, 545340), (732, 534910), (745, 525576), (894, 437980), (915, 427928), (1077, 363560), (1192, 328485), (1220, 320946), (1436, 272670), (1464, 267455), (1490, 262788), (1788, 218990), (1795, 218136), (1830, 213964), (2154, 181780), (2235, 175192), (2440, 160473), (2872, 136335), (2980, 131394), (3576, 109495), (3590, 109068), (3660, 106982), (4308, 90890), (4470, 87596), (5385, 72712), (5960, 65697), (7180, 54534), (7320, 53491), (8616, 45445), (8940, 43798), (9089, 43080), (10770, 36356), (14360, 27267), (17880, 21899), (18178, 21540)]