256164720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{3719}}^1$

素因数の和:3783

約数の個数: 160

約数和(自身を含む): 929940480

約数和(自身を除く): 673775760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 41, 42, 48, 56, 60, 70, 80, 82, 84, 105, 112, 120, 123, 140, 164, 168, 205, 210, 240, 246, 280, 287, 328, 336, 410, 420, 492, 560, 574, 615, 656, 820, 840, 861, 984, 1148, 1230, 1435, 1640, 1680, 1722, 1968, 2296, 2460, 2870, 3280, 3444, 3719, 4305, 4592, 4920, 5740, 6888, 7438, 8610, 9840, 11157, 11480, 13776, 14876, 17220, 18595, 22314, 22960, 26033, 29752, 34440, 37190, 44628, 52066, 55785, 59504, 68880, 74380, 78099, 89256, 104132, 111570, 130165, 148760, 152479, 156198, 178512, 208264, 223140, 260330, 297520, 304958, 312396, 390495, 416528, 446280, 457437, 520660, 609916, 624792, 762395, 780990, 892560, 914874, 1041320, 1067353, 1219832, 1249584, 1524790, 1561980, 1829748, 2082640, 2134706, 2287185, 2439664, 3049580, 3123960, 3202059, 3659496, 4269412, 4574370, 5336765, 6099160, 6247920, 6404118, 7318992, 8538824, 9148740, 10673530, 12198320, 12808236, 16010295, 17077648, 18297480, 21347060, 25616472, 32020590, 36594960, 42694120, 51232944, 64041180, 85388240, 128082360, 256164720]

約数ペア:

[(1, 256164720), (2, 128082360), (3, 85388240), (4, 64041180), (5, 51232944), (6, 42694120), (7, 36594960), (8, 32020590), (10, 25616472), (12, 21347060), (14, 18297480), (15, 17077648), (16, 16010295), (20, 12808236), (21, 12198320), (24, 10673530), (28, 9148740), (30, 8538824), (35, 7318992), (40, 6404118), (41, 6247920), (42, 6099160), (48, 5336765), (56, 4574370), (60, 4269412), (70, 3659496), (80, 3202059), (82, 3123960), (84, 3049580), (105, 2439664), (112, 2287185), (120, 2134706), (123, 2082640), (140, 1829748), (164, 1561980), (168, 1524790), (205, 1249584), (210, 1219832), (240, 1067353), (246, 1041320), (280, 914874), (287, 892560), (328, 780990), (336, 762395), (410, 624792), (420, 609916), (492, 520660), (560, 457437), (574, 446280), (615, 416528), (656, 390495), (820, 312396), (840, 304958), (861, 297520), (984, 260330), (1148, 223140), (1230, 208264), (1435, 178512), (1640, 156198), (1680, 152479), (1722, 148760), (1968, 130165), (2296, 111570), (2460, 104132), (2870, 89256), (3280, 78099), (3444, 74380), (3719, 68880), (4305, 59504), (4592, 55785), (4920, 52066), (5740, 44628), (6888, 37190), (7438, 34440), (8610, 29752), (9840, 26033), (11157, 22960), (11480, 22314), (13776, 18595), (14876, 17220)]