278330295920

素因数分解:

$2^4\times 5^1\times {\mathrm{311}}^1\times {\mathrm{3299}}^1\times {\mathrm{3391}}^1$

素因数の和:7014

約数の個数: 80

約数和(自身を含む): 649586995200

約数和(自身を除く): 371256699280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 311, 622, 1244, 1555, 2488, 3110, 3299, 3391, 4976, 6220, 6598, 6782, 12440, 13196, 13564, 16495, 16955, 24880, 26392, 27128, 32990, 33910, 52784, 54256, 65980, 67820, 131960, 135640, 263920, 271280, 1025989, 1054601, 2051978, 2109202, 4103956, 4218404, 5129945, 5273005, 8207912, 8436808, 10259890, 10546010, 11186909, 16415824, 16873616, 20519780, 21092020, 22373818, 41039560, 42184040, 44747636, 55934545, 82079120, 84368080, 89495272, 111869090, 178990544, 223738180, 447476360, 894952720, 3479128699, 6958257398, 13916514796, 17395643495, 27833029592, 34791286990, 55666059184, 69582573980, 139165147960, 278330295920]

約数ペア:

[(1, 278330295920), (2, 139165147960), (4, 69582573980), (5, 55666059184), (8, 34791286990), (10, 27833029592), (16, 17395643495), (20, 13916514796), (40, 6958257398), (80, 3479128699), (311, 894952720), (622, 447476360), (1244, 223738180), (1555, 178990544), (2488, 111869090), (3110, 89495272), (3299, 84368080), (3391, 82079120), (4976, 55934545), (6220, 44747636), (6598, 42184040), (6782, 41039560), (12440, 22373818), (13196, 21092020), (13564, 20519780), (16495, 16873616), (16955, 16415824), (24880, 11186909), (26392, 10546010), (27128, 10259890), (32990, 8436808), (33910, 8207912), (52784, 5273005), (54256, 5129945), (65980, 4218404), (67820, 4103956), (131960, 2109202), (135640, 2051978), (263920, 1054601), (271280, 1025989)]