72480720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1787}}^1$

素因数の和:1829

約数の個数: 120

約数和(自身を含む): 243439776

約数和(自身を除く): 170959056

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 169, 195, 208, 240, 260, 312, 338, 390, 507, 520, 624, 676, 780, 845, 1014, 1040, 1352, 1560, 1690, 1787, 2028, 2535, 2704, 3120, 3380, 3574, 4056, 5070, 5361, 6760, 7148, 8112, 8935, 10140, 10722, 13520, 14296, 17870, 20280, 21444, 23231, 26805, 28592, 35740, 40560, 42888, 46462, 53610, 69693, 71480, 85776, 92924, 107220, 116155, 139386, 142960, 185848, 214440, 232310, 278772, 302003, 348465, 371696, 428880, 464620, 557544, 604006, 696930, 906009, 929240, 1115088, 1208012, 1393860, 1510015, 1812018, 1858480, 2416024, 2787720, 3020030, 3624036, 4530045, 4832048, 5575440, 6040060, 7248072, 9060090, 12080120, 14496144, 18120180, 24160240, 36240360, 72480720]

約数ペア:

[(1, 72480720), (2, 36240360), (3, 24160240), (4, 18120180), (5, 14496144), (6, 12080120), (8, 9060090), (10, 7248072), (12, 6040060), (13, 5575440), (15, 4832048), (16, 4530045), (20, 3624036), (24, 3020030), (26, 2787720), (30, 2416024), (39, 1858480), (40, 1812018), (48, 1510015), (52, 1393860), (60, 1208012), (65, 1115088), (78, 929240), (80, 906009), (104, 696930), (120, 604006), (130, 557544), (156, 464620), (169, 428880), (195, 371696), (208, 348465), (240, 302003), (260, 278772), (312, 232310), (338, 214440), (390, 185848), (507, 142960), (520, 139386), (624, 116155), (676, 107220), (780, 92924), (845, 85776), (1014, 71480), (1040, 69693), (1352, 53610), (1560, 46462), (1690, 42888), (1787, 40560), (2028, 35740), (2535, 28592), (2704, 26805), (3120, 23231), (3380, 21444), (3574, 20280), (4056, 17870), (5070, 14296), (5361, 13520), (6760, 10722), (7148, 10140), (8112, 8935)]