378514920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{557}}^1\times {\mathrm{809}}^1$

素因数の和:1387

約数の個数: 128

約数和(自身を含む): 1301702400

約数和(自身を除く): 923187480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 557, 809, 840, 1114, 1618, 1671, 2228, 2427, 2785, 3236, 3342, 3899, 4045, 4456, 4854, 5570, 5663, 6472, 6684, 7798, 8090, 8355, 9708, 11140, 11326, 11697, 12135, 13368, 15596, 16180, 16710, 16989, 19416, 19495, 22280, 22652, 23394, 24270, 28315, 31192, 32360, 33420, 33978, 38990, 45304, 46788, 48540, 56630, 58485, 66840, 67956, 77980, 84945, 93576, 97080, 113260, 116970, 135912, 155960, 169890, 226520, 233940, 339780, 450613, 467880, 679560, 901226, 1351839, 1802452, 2253065, 2703678, 3154291, 3604904, 4506130, 5407356, 6308582, 6759195, 9012260, 9462873, 10814712, 12617164, 13518390, 15771455, 18024520, 18925746, 25234328, 27036780, 31542910, 37851492, 47314365, 54073560, 63085820, 75702984, 94628730, 126171640, 189257460, 378514920]

約数ペア:

[(1, 378514920), (2, 189257460), (3, 126171640), (4, 94628730), (5, 75702984), (6, 63085820), (7, 54073560), (8, 47314365), (10, 37851492), (12, 31542910), (14, 27036780), (15, 25234328), (20, 18925746), (21, 18024520), (24, 15771455), (28, 13518390), (30, 12617164), (35, 10814712), (40, 9462873), (42, 9012260), (56, 6759195), (60, 6308582), (70, 5407356), (84, 4506130), (105, 3604904), (120, 3154291), (140, 2703678), (168, 2253065), (210, 1802452), (280, 1351839), (420, 901226), (557, 679560), (809, 467880), (840, 450613), (1114, 339780), (1618, 233940), (1671, 226520), (2228, 169890), (2427, 155960), (2785, 135912), (3236, 116970), (3342, 113260), (3899, 97080), (4045, 93576), (4456, 84945), (4854, 77980), (5570, 67956), (5663, 66840), (6472, 58485), (6684, 56630), (7798, 48540), (8090, 46788), (8355, 45304), (9708, 38990), (11140, 33978), (11326, 33420), (11697, 32360), (12135, 31192), (13368, 28315), (15596, 24270), (16180, 23394), (16710, 22652), (16989, 22280), (19416, 19495)]