717850880

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{229}}^1$

素因数の和:360

約数の個数: 144

約数和(自身を含む): 1805260800

約数和(自身を除く): 1087409920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 79, 80, 124, 128, 155, 158, 160, 229, 248, 256, 310, 316, 320, 395, 458, 496, 620, 632, 640, 790, 916, 992, 1145, 1240, 1264, 1280, 1580, 1832, 1984, 2290, 2449, 2480, 2528, 3160, 3664, 3968, 4580, 4898, 4960, 5056, 6320, 7099, 7328, 7936, 9160, 9796, 9920, 10112, 12245, 12640, 14198, 14656, 18091, 18320, 19592, 19840, 20224, 24490, 25280, 28396, 29312, 35495, 36182, 36640, 39184, 39680, 48980, 50560, 56792, 58624, 70990, 72364, 73280, 78368, 90455, 97960, 101120, 113584, 141980, 144728, 146560, 156736, 180910, 195920, 227168, 283960, 289456, 293120, 313472, 361820, 391840, 454336, 560821, 567920, 578912, 626944, 723640, 783680, 908672, 1121642, 1135840, 1157824, 1447280, 1567360, 1817344, 2243284, 2271680, 2315648, 2804105, 2894560, 3134720, 4486568, 4543360, 4631296, 5608210, 5789120, 8973136, 9086720, 11216420, 11578240, 17946272, 22432840, 23156480, 35892544, 44865680, 71785088, 89731360, 143570176, 179462720, 358925440, 717850880]

約数ペア:

[(1, 717850880), (2, 358925440), (4, 179462720), (5, 143570176), (8, 89731360), (10, 71785088), (16, 44865680), (20, 35892544), (31, 23156480), (32, 22432840), (40, 17946272), (62, 11578240), (64, 11216420), (79, 9086720), (80, 8973136), (124, 5789120), (128, 5608210), (155, 4631296), (158, 4543360), (160, 4486568), (229, 3134720), (248, 2894560), (256, 2804105), (310, 2315648), (316, 2271680), (320, 2243284), (395, 1817344), (458, 1567360), (496, 1447280), (620, 1157824), (632, 1135840), (640, 1121642), (790, 908672), (916, 783680), (992, 723640), (1145, 626944), (1240, 578912), (1264, 567920), (1280, 560821), (1580, 454336), (1832, 391840), (1984, 361820), (2290, 313472), (2449, 293120), (2480, 289456), (2528, 283960), (3160, 227168), (3664, 195920), (3968, 180910), (4580, 156736), (4898, 146560), (4960, 144728), (5056, 141980), (6320, 113584), (7099, 101120), (7328, 97960), (7936, 90455), (9160, 78368), (9796, 73280), (9920, 72364), (10112, 70990), (12245, 58624), (12640, 56792), (14198, 50560), (14656, 48980), (18091, 39680), (18320, 39184), (19592, 36640), (19840, 36182), (20224, 35495), (24490, 29312), (25280, 28396)]