87284080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:179

約数の個数: 160

約数和(自身を含む): 236234880

約数和(自身を除く): 148950800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 41, 46, 52, 65, 80, 82, 89, 92, 104, 115, 130, 164, 178, 184, 205, 208, 230, 260, 299, 328, 356, 368, 410, 445, 460, 520, 533, 598, 656, 712, 820, 890, 920, 943, 1040, 1066, 1157, 1196, 1424, 1495, 1640, 1780, 1840, 1886, 2047, 2132, 2314, 2392, 2665, 2990, 3280, 3560, 3649, 3772, 4094, 4264, 4628, 4715, 4784, 5330, 5785, 5980, 7120, 7298, 7544, 8188, 8528, 9256, 9430, 10235, 10660, 11570, 11960, 12259, 14596, 15088, 16376, 18245, 18512, 18860, 20470, 21320, 23140, 23920, 24518, 26611, 29192, 32752, 36490, 37720, 40940, 42640, 46280, 47437, 49036, 53222, 58384, 61295, 72980, 75440, 81880, 83927, 92560, 94874, 98072, 106444, 122590, 133055, 145960, 163760, 167854, 189748, 196144, 212888, 237185, 245180, 266110, 291920, 335708, 379496, 419635, 425776, 474370, 490360, 532220, 671416, 758992, 839270, 948740, 980720, 1064440, 1091051, 1342832, 1678540, 1897480, 2128880, 2182102, 3357080, 3794960, 4364204, 5455255, 6714160, 8728408, 10910510, 17456816, 21821020, 43642040, 87284080]

約数ペア:

[(1, 87284080), (2, 43642040), (4, 21821020), (5, 17456816), (8, 10910510), (10, 8728408), (13, 6714160), (16, 5455255), (20, 4364204), (23, 3794960), (26, 3357080), (40, 2182102), (41, 2128880), (46, 1897480), (52, 1678540), (65, 1342832), (80, 1091051), (82, 1064440), (89, 980720), (92, 948740), (104, 839270), (115, 758992), (130, 671416), (164, 532220), (178, 490360), (184, 474370), (205, 425776), (208, 419635), (230, 379496), (260, 335708), (299, 291920), (328, 266110), (356, 245180), (368, 237185), (410, 212888), (445, 196144), (460, 189748), (520, 167854), (533, 163760), (598, 145960), (656, 133055), (712, 122590), (820, 106444), (890, 98072), (920, 94874), (943, 92560), (1040, 83927), (1066, 81880), (1157, 75440), (1196, 72980), (1424, 61295), (1495, 58384), (1640, 53222), (1780, 49036), (1840, 47437), (1886, 46280), (2047, 42640), (2132, 40940), (2314, 37720), (2392, 36490), (2665, 32752), (2990, 29192), (3280, 26611), (3560, 24518), (3649, 23920), (3772, 23140), (4094, 21320), (4264, 20470), (4628, 18860), (4715, 18512), (4784, 18245), (5330, 16376), (5785, 15088), (5980, 14596), (7120, 12259), (7298, 11960), (7544, 11570), (8188, 10660), (8528, 10235), (9256, 9430)]