280497144

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1$

素因数の和:541

約数の個数: 128

約数和(自身を含む): 787553280

約数和(自身を除く): 507056136

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 23, 24, 34, 46, 51, 68, 69, 71, 92, 102, 136, 138, 142, 184, 204, 213, 276, 284, 391, 408, 421, 426, 552, 568, 782, 842, 852, 1173, 1207, 1263, 1564, 1633, 1684, 1704, 2346, 2414, 2526, 3128, 3266, 3368, 3621, 4692, 4828, 4899, 5052, 6532, 7157, 7242, 9384, 9656, 9683, 9798, 10104, 13064, 14314, 14484, 19366, 19596, 21471, 27761, 28628, 28968, 29049, 29891, 38732, 39192, 42942, 55522, 57256, 58098, 59782, 77464, 83283, 85884, 89673, 111044, 116196, 119564, 164611, 166566, 171768, 179346, 222088, 232392, 239128, 329222, 333132, 358692, 493833, 508147, 658444, 666264, 687493, 717384, 987666, 1016294, 1316888, 1374986, 1524441, 1975332, 2032588, 2062479, 2749972, 3048882, 3950664, 4065176, 4124958, 5499944, 6097764, 8249916, 11687381, 12195528, 16499832, 23374762, 35062143, 46749524, 70124286, 93499048, 140248572, 280497144]

約数ペア:

[(1, 280497144), (2, 140248572), (3, 93499048), (4, 70124286), (6, 46749524), (8, 35062143), (12, 23374762), (17, 16499832), (23, 12195528), (24, 11687381), (34, 8249916), (46, 6097764), (51, 5499944), (68, 4124958), (69, 4065176), (71, 3950664), (92, 3048882), (102, 2749972), (136, 2062479), (138, 2032588), (142, 1975332), (184, 1524441), (204, 1374986), (213, 1316888), (276, 1016294), (284, 987666), (391, 717384), (408, 687493), (421, 666264), (426, 658444), (552, 508147), (568, 493833), (782, 358692), (842, 333132), (852, 329222), (1173, 239128), (1207, 232392), (1263, 222088), (1564, 179346), (1633, 171768), (1684, 166566), (1704, 164611), (2346, 119564), (2414, 116196), (2526, 111044), (3128, 89673), (3266, 85884), (3368, 83283), (3621, 77464), (4692, 59782), (4828, 58098), (4899, 57256), (5052, 55522), (6532, 42942), (7157, 39192), (7242, 38732), (9384, 29891), (9656, 29049), (9683, 28968), (9798, 28628), (10104, 27761), (13064, 21471), (14314, 19596), (14484, 19366)]