72987720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:160

約数の個数: 192

約数和(自身を含む): 245073600

約数和(自身を除く): 172085880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 59, 60, 61, 65, 78, 104, 118, 120, 122, 130, 156, 169, 177, 183, 195, 236, 244, 260, 295, 305, 312, 338, 354, 366, 390, 472, 488, 507, 520, 590, 610, 676, 708, 732, 767, 780, 793, 845, 885, 915, 1014, 1180, 1220, 1352, 1416, 1464, 1534, 1560, 1586, 1690, 1770, 1830, 2028, 2301, 2360, 2379, 2440, 2535, 3068, 3172, 3380, 3540, 3599, 3660, 3835, 3965, 4056, 4602, 4758, 5070, 6136, 6344, 6760, 7080, 7198, 7320, 7670, 7930, 9204, 9516, 9971, 10140, 10309, 10797, 11505, 11895, 14396, 15340, 15860, 17995, 18408, 19032, 19942, 20280, 20618, 21594, 23010, 23790, 28792, 29913, 30680, 30927, 31720, 35990, 39884, 41236, 43188, 46020, 46787, 47580, 49855, 51545, 53985, 59826, 61854, 71980, 79768, 82472, 86376, 92040, 93574, 95160, 99710, 103090, 107970, 119652, 123708, 140361, 143960, 149565, 154635, 187148, 199420, 206180, 215940, 233935, 239304, 247416, 280722, 299130, 309270, 374296, 398840, 412360, 431880, 467870, 561444, 598260, 608231, 618540, 701805, 935740, 1122888, 1196520, 1216462, 1237080, 1403610, 1824693, 1871480, 2432924, 2807220, 3041155, 3649386, 4865848, 5614440, 6082310, 7298772, 9123465, 12164620, 14597544, 18246930, 24329240, 36493860, 72987720]

約数ペア:

[(1, 72987720), (2, 36493860), (3, 24329240), (4, 18246930), (5, 14597544), (6, 12164620), (8, 9123465), (10, 7298772), (12, 6082310), (13, 5614440), (15, 4865848), (20, 3649386), (24, 3041155), (26, 2807220), (30, 2432924), (39, 1871480), (40, 1824693), (52, 1403610), (59, 1237080), (60, 1216462), (61, 1196520), (65, 1122888), (78, 935740), (104, 701805), (118, 618540), (120, 608231), (122, 598260), (130, 561444), (156, 467870), (169, 431880), (177, 412360), (183, 398840), (195, 374296), (236, 309270), (244, 299130), (260, 280722), (295, 247416), (305, 239304), (312, 233935), (338, 215940), (354, 206180), (366, 199420), (390, 187148), (472, 154635), (488, 149565), (507, 143960), (520, 140361), (590, 123708), (610, 119652), (676, 107970), (708, 103090), (732, 99710), (767, 95160), (780, 93574), (793, 92040), (845, 86376), (885, 82472), (915, 79768), (1014, 71980), (1180, 61854), (1220, 59826), (1352, 53985), (1416, 51545), (1464, 49855), (1534, 47580), (1560, 46787), (1586, 46020), (1690, 43188), (1770, 41236), (1830, 39884), (2028, 35990), (2301, 31720), (2360, 30927), (2379, 30680), (2440, 29913), (2535, 28792), (3068, 23790), (3172, 23010), (3380, 21594), (3540, 20618), (3599, 20280), (3660, 19942), (3835, 19032), (3965, 18408), (4056, 17995), (4602, 15860), (4758, 15340), (5070, 14396), (6136, 11895), (6344, 11505), (6760, 10797), (7080, 10309), (7198, 10140), (7320, 9971), (7670, 9516), (7930, 9204)]