418108160

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{257}}^1$

素因数の和:350

約数の個数: 144

約数和(自身を含む): 1063141632

約数和(自身を除く): 645033472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 62, 64, 80, 82, 124, 128, 155, 160, 164, 205, 248, 256, 257, 310, 320, 328, 410, 496, 514, 620, 640, 656, 820, 992, 1028, 1240, 1271, 1280, 1285, 1312, 1640, 1984, 2056, 2480, 2542, 2570, 2624, 3280, 3968, 4112, 4960, 5084, 5140, 5248, 6355, 6560, 7936, 7967, 8224, 9920, 10168, 10280, 10496, 10537, 12710, 13120, 15934, 16448, 19840, 20336, 20560, 21074, 25420, 26240, 31868, 32896, 39680, 39835, 40672, 41120, 42148, 50840, 52480, 52685, 63736, 65792, 79670, 81344, 82240, 84296, 101680, 105370, 127472, 159340, 162688, 164480, 168592, 203360, 210740, 254944, 318680, 325376, 326647, 328960, 337184, 406720, 421480, 509888, 637360, 653294, 674368, 813440, 842960, 1019776, 1274720, 1306588, 1348736, 1626880, 1633235, 1685920, 2039552, 2549440, 2613176, 2697472, 3266470, 3371840, 5098880, 5226352, 6532940, 6743680, 10197760, 10452704, 13065880, 13487360, 20905408, 26131760, 41810816, 52263520, 83621632, 104527040, 209054080, 418108160]

約数ペア:

[(1, 418108160), (2, 209054080), (4, 104527040), (5, 83621632), (8, 52263520), (10, 41810816), (16, 26131760), (20, 20905408), (31, 13487360), (32, 13065880), (40, 10452704), (41, 10197760), (62, 6743680), (64, 6532940), (80, 5226352), (82, 5098880), (124, 3371840), (128, 3266470), (155, 2697472), (160, 2613176), (164, 2549440), (205, 2039552), (248, 1685920), (256, 1633235), (257, 1626880), (310, 1348736), (320, 1306588), (328, 1274720), (410, 1019776), (496, 842960), (514, 813440), (620, 674368), (640, 653294), (656, 637360), (820, 509888), (992, 421480), (1028, 406720), (1240, 337184), (1271, 328960), (1280, 326647), (1285, 325376), (1312, 318680), (1640, 254944), (1984, 210740), (2056, 203360), (2480, 168592), (2542, 164480), (2570, 162688), (2624, 159340), (3280, 127472), (3968, 105370), (4112, 101680), (4960, 84296), (5084, 82240), (5140, 81344), (5248, 79670), (6355, 65792), (6560, 63736), (7936, 52685), (7967, 52480), (8224, 50840), (9920, 42148), (10168, 41120), (10280, 40672), (10496, 39835), (10537, 39680), (12710, 32896), (13120, 31868), (15934, 26240), (16448, 25420), (19840, 21074), (20336, 20560)]