280606920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{4523}}^1$

素因数の和:4595

約数の個数: 128

約数和(自身を含む): 938096640

約数和(自身を除く): 657489720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 47, 55, 60, 66, 88, 94, 110, 120, 132, 141, 165, 188, 220, 235, 264, 282, 330, 376, 440, 470, 517, 564, 660, 705, 940, 1034, 1128, 1320, 1410, 1551, 1880, 2068, 2585, 2820, 3102, 4136, 4523, 5170, 5640, 6204, 7755, 9046, 10340, 12408, 13569, 15510, 18092, 20680, 22615, 27138, 31020, 36184, 45230, 49753, 54276, 62040, 67845, 90460, 99506, 108552, 135690, 149259, 180920, 199012, 212581, 248765, 271380, 298518, 398024, 425162, 497530, 542760, 597036, 637743, 746295, 850324, 995060, 1062905, 1194072, 1275486, 1492590, 1700648, 1990120, 2125810, 2338391, 2550972, 2985180, 3188715, 4251620, 4676782, 5101944, 5970360, 6377430, 7015173, 8503240, 9353564, 11691955, 12754860, 14030346, 18707128, 23383910, 25509720, 28060692, 35075865, 46767820, 56121384, 70151730, 93535640, 140303460, 280606920]

約数ペア:

[(1, 280606920), (2, 140303460), (3, 93535640), (4, 70151730), (5, 56121384), (6, 46767820), (8, 35075865), (10, 28060692), (11, 25509720), (12, 23383910), (15, 18707128), (20, 14030346), (22, 12754860), (24, 11691955), (30, 9353564), (33, 8503240), (40, 7015173), (44, 6377430), (47, 5970360), (55, 5101944), (60, 4676782), (66, 4251620), (88, 3188715), (94, 2985180), (110, 2550972), (120, 2338391), (132, 2125810), (141, 1990120), (165, 1700648), (188, 1492590), (220, 1275486), (235, 1194072), (264, 1062905), (282, 995060), (330, 850324), (376, 746295), (440, 637743), (470, 597036), (517, 542760), (564, 497530), (660, 425162), (705, 398024), (940, 298518), (1034, 271380), (1128, 248765), (1320, 212581), (1410, 199012), (1551, 180920), (1880, 149259), (2068, 135690), (2585, 108552), (2820, 99506), (3102, 90460), (4136, 67845), (4523, 62040), (5170, 54276), (5640, 49753), (6204, 45230), (7755, 36184), (9046, 31020), (10340, 27138), (12408, 22615), (13569, 20680), (15510, 18092)]