87972280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{619}}^1$

素因数の和:677

約数の個数: 128

約数和(自身を含む): 241056000

約数和(自身を除く): 153083720

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 19, 20, 22, 34, 38, 40, 44, 55, 68, 76, 85, 88, 95, 110, 136, 152, 170, 187, 190, 209, 220, 323, 340, 374, 380, 418, 440, 619, 646, 680, 748, 760, 836, 935, 1045, 1238, 1292, 1496, 1615, 1672, 1870, 2090, 2476, 2584, 3095, 3230, 3553, 3740, 4180, 4952, 6190, 6460, 6809, 7106, 7480, 8360, 10523, 11761, 12380, 12920, 13618, 14212, 17765, 21046, 23522, 24760, 27236, 28424, 34045, 35530, 42092, 47044, 52615, 54472, 58805, 68090, 71060, 84184, 94088, 105230, 115753, 117610, 129371, 136180, 142120, 199937, 210460, 231506, 235220, 258742, 272360, 399874, 420920, 463012, 470440, 517484, 578765, 646855, 799748, 926024, 999685, 1034968, 1157530, 1293710, 1599496, 1999370, 2199307, 2315060, 2587420, 3998740, 4398614, 4630120, 5174840, 7997480, 8797228, 10996535, 17594456, 21993070, 43986140, 87972280]

約数ペア:

[(1, 87972280), (2, 43986140), (4, 21993070), (5, 17594456), (8, 10996535), (10, 8797228), (11, 7997480), (17, 5174840), (19, 4630120), (20, 4398614), (22, 3998740), (34, 2587420), (38, 2315060), (40, 2199307), (44, 1999370), (55, 1599496), (68, 1293710), (76, 1157530), (85, 1034968), (88, 999685), (95, 926024), (110, 799748), (136, 646855), (152, 578765), (170, 517484), (187, 470440), (190, 463012), (209, 420920), (220, 399874), (323, 272360), (340, 258742), (374, 235220), (380, 231506), (418, 210460), (440, 199937), (619, 142120), (646, 136180), (680, 129371), (748, 117610), (760, 115753), (836, 105230), (935, 94088), (1045, 84184), (1238, 71060), (1292, 68090), (1496, 58805), (1615, 54472), (1672, 52615), (1870, 47044), (2090, 42092), (2476, 35530), (2584, 34045), (3095, 28424), (3230, 27236), (3553, 24760), (3740, 23522), (4180, 21046), (4952, 17765), (6190, 14212), (6460, 13618), (6809, 12920), (7106, 12380), (7480, 11761), (8360, 10523)]