87379740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{9907}}^1$

素因数の和:9936

約数の個数: 108

約数和(自身を含む): 308356776

約数和(自身を除く): 220977036

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 8820, 9907, 19814, 29721, 39628, 49535, 59442, 69349, 89163, 99070, 118884, 138698, 148605, 178326, 198140, 208047, 277396, 297210, 346745, 356652, 416094, 445815, 485443, 594420, 624141, 693490, 832188, 891630, 970886, 1040235, 1248282, 1386980, 1456329, 1783260, 1941772, 2080470, 2427215, 2496564, 2912658, 3120705, 4160940, 4368987, 4854430, 5825316, 6241410, 7281645, 8737974, 9708860, 12482820, 14563290, 17475948, 21844935, 29126580, 43689870, 87379740]

約数ペア:

[(1, 87379740), (2, 43689870), (3, 29126580), (4, 21844935), (5, 17475948), (6, 14563290), (7, 12482820), (9, 9708860), (10, 8737974), (12, 7281645), (14, 6241410), (15, 5825316), (18, 4854430), (20, 4368987), (21, 4160940), (28, 3120705), (30, 2912658), (35, 2496564), (36, 2427215), (42, 2080470), (45, 1941772), (49, 1783260), (60, 1456329), (63, 1386980), (70, 1248282), (84, 1040235), (90, 970886), (98, 891630), (105, 832188), (126, 693490), (140, 624141), (147, 594420), (180, 485443), (196, 445815), (210, 416094), (245, 356652), (252, 346745), (294, 297210), (315, 277396), (420, 208047), (441, 198140), (490, 178326), (588, 148605), (630, 138698), (735, 118884), (882, 99070), (980, 89163), (1260, 69349), (1470, 59442), (1764, 49535), (2205, 39628), (2940, 29721), (4410, 19814), (8820, 9907)]