268795280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:329

約数の個数: 160

約数和(自身を含む): 723287040

約数和(自身を除く): 454491760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 61, 65, 76, 80, 95, 104, 122, 130, 152, 190, 208, 223, 244, 247, 260, 304, 305, 380, 446, 488, 494, 520, 610, 760, 793, 892, 976, 988, 1040, 1115, 1159, 1220, 1235, 1520, 1586, 1784, 1976, 2230, 2318, 2440, 2470, 2899, 3172, 3568, 3952, 3965, 4237, 4460, 4636, 4880, 4940, 5795, 5798, 6344, 7930, 8474, 8920, 9272, 9880, 11590, 11596, 12688, 13603, 14495, 15067, 15860, 16948, 17840, 18544, 19760, 21185, 23180, 23192, 27206, 28990, 30134, 31720, 33896, 42370, 46360, 46384, 54412, 55081, 57980, 60268, 63440, 67792, 68015, 75335, 84740, 92720, 108824, 110162, 115960, 120536, 136030, 150670, 169480, 176839, 217648, 220324, 231920, 241072, 258457, 272060, 275405, 301340, 338960, 353678, 440648, 516914, 544120, 550810, 602680, 707356, 881296, 884195, 1033828, 1088240, 1101620, 1205360, 1292285, 1414712, 1768390, 2067656, 2203240, 2584570, 2829424, 3359941, 3536780, 4135312, 4406480, 5169140, 6719882, 7073560, 10338280, 13439764, 14147120, 16799705, 20676560, 26879528, 33599410, 53759056, 67198820, 134397640, 268795280]

約数ペア:

[(1, 268795280), (2, 134397640), (4, 67198820), (5, 53759056), (8, 33599410), (10, 26879528), (13, 20676560), (16, 16799705), (19, 14147120), (20, 13439764), (26, 10338280), (38, 7073560), (40, 6719882), (52, 5169140), (61, 4406480), (65, 4135312), (76, 3536780), (80, 3359941), (95, 2829424), (104, 2584570), (122, 2203240), (130, 2067656), (152, 1768390), (190, 1414712), (208, 1292285), (223, 1205360), (244, 1101620), (247, 1088240), (260, 1033828), (304, 884195), (305, 881296), (380, 707356), (446, 602680), (488, 550810), (494, 544120), (520, 516914), (610, 440648), (760, 353678), (793, 338960), (892, 301340), (976, 275405), (988, 272060), (1040, 258457), (1115, 241072), (1159, 231920), (1220, 220324), (1235, 217648), (1520, 176839), (1586, 169480), (1784, 150670), (1976, 136030), (2230, 120536), (2318, 115960), (2440, 110162), (2470, 108824), (2899, 92720), (3172, 84740), (3568, 75335), (3952, 68015), (3965, 67792), (4237, 63440), (4460, 60268), (4636, 57980), (4880, 55081), (4940, 54412), (5795, 46384), (5798, 46360), (6344, 42370), (7930, 33896), (8474, 31720), (8920, 30134), (9272, 28990), (9880, 27206), (11590, 23192), (11596, 23180), (12688, 21185), (13603, 19760), (14495, 18544), (15067, 17840), (15860, 16948)]