8399520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1$

素因数の和:347

約数の個数: 144

約数和(自身を含む): 30270240

約数和(自身を除く): 21870720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 96, 114, 120, 144, 152, 160, 171, 180, 190, 228, 240, 285, 288, 304, 307, 342, 360, 380, 456, 480, 570, 608, 614, 684, 720, 760, 855, 912, 921, 1140, 1228, 1368, 1440, 1520, 1535, 1710, 1824, 1842, 2280, 2456, 2736, 2763, 3040, 3070, 3420, 3684, 4560, 4605, 4912, 5472, 5526, 5833, 6140, 6840, 7368, 9120, 9210, 9824, 11052, 11666, 12280, 13680, 13815, 14736, 17499, 18420, 22104, 23332, 24560, 27360, 27630, 29165, 29472, 34998, 36840, 44208, 46664, 49120, 52497, 55260, 58330, 69996, 73680, 87495, 88416, 93328, 104994, 110520, 116660, 139992, 147360, 174990, 186656, 209988, 221040, 233320, 262485, 279984, 349980, 419976, 442080, 466640, 524970, 559968, 699960, 839952, 933280, 1049940, 1399920, 1679904, 2099880, 2799840, 4199760, 8399520]

約数ペア:

[(1, 8399520), (2, 4199760), (3, 2799840), (4, 2099880), (5, 1679904), (6, 1399920), (8, 1049940), (9, 933280), (10, 839952), (12, 699960), (15, 559968), (16, 524970), (18, 466640), (19, 442080), (20, 419976), (24, 349980), (30, 279984), (32, 262485), (36, 233320), (38, 221040), (40, 209988), (45, 186656), (48, 174990), (57, 147360), (60, 139992), (72, 116660), (76, 110520), (80, 104994), (90, 93328), (95, 88416), (96, 87495), (114, 73680), (120, 69996), (144, 58330), (152, 55260), (160, 52497), (171, 49120), (180, 46664), (190, 44208), (228, 36840), (240, 34998), (285, 29472), (288, 29165), (304, 27630), (307, 27360), (342, 24560), (360, 23332), (380, 22104), (456, 18420), (480, 17499), (570, 14736), (608, 13815), (614, 13680), (684, 12280), (720, 11666), (760, 11052), (855, 9824), (912, 9210), (921, 9120), (1140, 7368), (1228, 6840), (1368, 6140), (1440, 5833), (1520, 5526), (1535, 5472), (1710, 4912), (1824, 4605), (1842, 4560), (2280, 3684), (2456, 3420), (2736, 3070), (2763, 3040)]