128870880

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{929}}^1$

素因数の和:981

約数の個数: 144

約数和(自身を含む): 431691120

約数和(自身を除く): 302820240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 68, 80, 85, 96, 102, 120, 136, 160, 170, 204, 240, 255, 272, 289, 340, 408, 480, 510, 544, 578, 680, 816, 867, 929, 1020, 1156, 1360, 1445, 1632, 1734, 1858, 2040, 2312, 2720, 2787, 2890, 3468, 3716, 4080, 4335, 4624, 4645, 5574, 5780, 6936, 7432, 8160, 8670, 9248, 9290, 11148, 11560, 13872, 13935, 14864, 15793, 17340, 18580, 22296, 23120, 27744, 27870, 29728, 31586, 34680, 37160, 44592, 46240, 47379, 55740, 63172, 69360, 74320, 78965, 89184, 94758, 111480, 126344, 138720, 148640, 157930, 189516, 222960, 236895, 252688, 268481, 315860, 379032, 445920, 473790, 505376, 536962, 631720, 758064, 805443, 947580, 1073924, 1263440, 1342405, 1516128, 1610886, 1895160, 2147848, 2526880, 2684810, 3221772, 3790320, 4027215, 4295696, 5369620, 6443544, 7580640, 8054430, 8591392, 10739240, 12887088, 16108860, 21478480, 25774176, 32217720, 42956960, 64435440, 128870880]

約数ペア:

[(1, 128870880), (2, 64435440), (3, 42956960), (4, 32217720), (5, 25774176), (6, 21478480), (8, 16108860), (10, 12887088), (12, 10739240), (15, 8591392), (16, 8054430), (17, 7580640), (20, 6443544), (24, 5369620), (30, 4295696), (32, 4027215), (34, 3790320), (40, 3221772), (48, 2684810), (51, 2526880), (60, 2147848), (68, 1895160), (80, 1610886), (85, 1516128), (96, 1342405), (102, 1263440), (120, 1073924), (136, 947580), (160, 805443), (170, 758064), (204, 631720), (240, 536962), (255, 505376), (272, 473790), (289, 445920), (340, 379032), (408, 315860), (480, 268481), (510, 252688), (544, 236895), (578, 222960), (680, 189516), (816, 157930), (867, 148640), (929, 138720), (1020, 126344), (1156, 111480), (1360, 94758), (1445, 89184), (1632, 78965), (1734, 74320), (1858, 69360), (2040, 63172), (2312, 55740), (2720, 47379), (2787, 46240), (2890, 44592), (3468, 37160), (3716, 34680), (4080, 31586), (4335, 29728), (4624, 27870), (4645, 27744), (5574, 23120), (5780, 22296), (6936, 18580), (7432, 17340), (8160, 15793), (8670, 14864), (9248, 13935), (9290, 13872), (11148, 11560)]