128515860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1381}}^1$

素因数の和:1454

約数の個数: 144

約数和(自身を含む): 434633472

約数和(自身を除く): 306117612

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 47, 55, 60, 66, 90, 94, 99, 110, 132, 141, 165, 180, 188, 198, 220, 235, 282, 330, 396, 423, 470, 495, 517, 564, 660, 705, 846, 940, 990, 1034, 1381, 1410, 1551, 1692, 1980, 2068, 2115, 2585, 2762, 2820, 3102, 4143, 4230, 4653, 5170, 5524, 6204, 6905, 7755, 8286, 8460, 9306, 10340, 12429, 13810, 15191, 15510, 16572, 18612, 20715, 23265, 24858, 27620, 30382, 31020, 41430, 45573, 46530, 49716, 60764, 62145, 64907, 75955, 82860, 91146, 93060, 124290, 129814, 136719, 151910, 182292, 194721, 227865, 248580, 259628, 273438, 303820, 324535, 389442, 455730, 546876, 584163, 649070, 683595, 713977, 778884, 911460, 973605, 1168326, 1298140, 1367190, 1427954, 1947210, 2141931, 2336652, 2734380, 2855908, 2920815, 3569885, 3894420, 4283862, 5841630, 6425793, 7139770, 8567724, 10709655, 11683260, 12851586, 14279540, 21419310, 25703172, 32128965, 42838620, 64257930, 128515860]

約数ペア:

[(1, 128515860), (2, 64257930), (3, 42838620), (4, 32128965), (5, 25703172), (6, 21419310), (9, 14279540), (10, 12851586), (11, 11683260), (12, 10709655), (15, 8567724), (18, 7139770), (20, 6425793), (22, 5841630), (30, 4283862), (33, 3894420), (36, 3569885), (44, 2920815), (45, 2855908), (47, 2734380), (55, 2336652), (60, 2141931), (66, 1947210), (90, 1427954), (94, 1367190), (99, 1298140), (110, 1168326), (132, 973605), (141, 911460), (165, 778884), (180, 713977), (188, 683595), (198, 649070), (220, 584163), (235, 546876), (282, 455730), (330, 389442), (396, 324535), (423, 303820), (470, 273438), (495, 259628), (517, 248580), (564, 227865), (660, 194721), (705, 182292), (846, 151910), (940, 136719), (990, 129814), (1034, 124290), (1381, 93060), (1410, 91146), (1551, 82860), (1692, 75955), (1980, 64907), (2068, 62145), (2115, 60764), (2585, 49716), (2762, 46530), (2820, 45573), (3102, 41430), (4143, 31020), (4230, 30382), (4653, 27620), (5170, 24858), (5524, 23265), (6204, 20715), (6905, 18612), (7755, 16572), (8286, 15510), (8460, 15191), (9306, 13810), (10340, 12429)]