491219280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29663}}^1$

素因数の和:29705

約数の個数: 120

約数和(自身を含む): 1721461248

約数和(自身を除く): 1230241968

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 115, 120, 138, 144, 180, 184, 207, 230, 240, 276, 345, 360, 368, 414, 460, 552, 690, 720, 828, 920, 1035, 1104, 1380, 1656, 1840, 2070, 2760, 3312, 4140, 5520, 8280, 16560, 29663, 59326, 88989, 118652, 148315, 177978, 237304, 266967, 296630, 355956, 444945, 474608, 533934, 593260, 682249, 711912, 889890, 1067868, 1186520, 1334835, 1364498, 1423824, 1779780, 2046747, 2135736, 2373040, 2669670, 2728996, 3411245, 3559560, 4093494, 4271472, 5339340, 5457992, 6140241, 6822490, 7119120, 8186988, 10233735, 10678680, 10915984, 12280482, 13644980, 16373976, 20467470, 21357360, 24560964, 27289960, 30701205, 32747952, 40934940, 49121928, 54579920, 61402410, 81869880, 98243856, 122804820, 163739760, 245609640, 491219280]

約数ペア:

[(1, 491219280), (2, 245609640), (3, 163739760), (4, 122804820), (5, 98243856), (6, 81869880), (8, 61402410), (9, 54579920), (10, 49121928), (12, 40934940), (15, 32747952), (16, 30701205), (18, 27289960), (20, 24560964), (23, 21357360), (24, 20467470), (30, 16373976), (36, 13644980), (40, 12280482), (45, 10915984), (46, 10678680), (48, 10233735), (60, 8186988), (69, 7119120), (72, 6822490), (80, 6140241), (90, 5457992), (92, 5339340), (115, 4271472), (120, 4093494), (138, 3559560), (144, 3411245), (180, 2728996), (184, 2669670), (207, 2373040), (230, 2135736), (240, 2046747), (276, 1779780), (345, 1423824), (360, 1364498), (368, 1334835), (414, 1186520), (460, 1067868), (552, 889890), (690, 711912), (720, 682249), (828, 593260), (920, 533934), (1035, 474608), (1104, 444945), (1380, 355956), (1656, 296630), (1840, 266967), (2070, 237304), (2760, 177978), (3312, 148315), (4140, 118652), (5520, 88989), (8280, 59326), (16560, 29663)]