261502020

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4139}}^1$

素因数の和:4176

約数の個数: 144

約数和(自身を含む): 886092480

約数和(自身を除く): 624590460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 90, 108, 117, 130, 135, 156, 162, 180, 195, 234, 243, 260, 270, 324, 351, 390, 405, 468, 486, 540, 585, 702, 780, 810, 972, 1053, 1170, 1215, 1404, 1620, 1755, 2106, 2340, 2430, 3159, 3510, 4139, 4212, 4860, 5265, 6318, 7020, 8278, 10530, 12417, 12636, 15795, 16556, 20695, 21060, 24834, 31590, 37251, 41390, 49668, 53807, 62085, 63180, 74502, 82780, 107614, 111753, 124170, 149004, 161421, 186255, 215228, 223506, 248340, 269035, 322842, 335259, 372510, 447012, 484263, 538070, 558765, 645684, 670518, 745020, 807105, 968526, 1005777, 1076140, 1117530, 1341036, 1452789, 1614210, 1676295, 1937052, 2011554, 2235060, 2421315, 2905578, 3228420, 3352590, 4023108, 4358367, 4842630, 5028885, 5811156, 6705180, 7263945, 8716734, 9685260, 10057770, 13075101, 14527890, 17433468, 20115540, 21791835, 26150202, 29055780, 43583670, 52300404, 65375505, 87167340, 130751010, 261502020]

約数ペア:

[(1, 261502020), (2, 130751010), (3, 87167340), (4, 65375505), (5, 52300404), (6, 43583670), (9, 29055780), (10, 26150202), (12, 21791835), (13, 20115540), (15, 17433468), (18, 14527890), (20, 13075101), (26, 10057770), (27, 9685260), (30, 8716734), (36, 7263945), (39, 6705180), (45, 5811156), (52, 5028885), (54, 4842630), (60, 4358367), (65, 4023108), (78, 3352590), (81, 3228420), (90, 2905578), (108, 2421315), (117, 2235060), (130, 2011554), (135, 1937052), (156, 1676295), (162, 1614210), (180, 1452789), (195, 1341036), (234, 1117530), (243, 1076140), (260, 1005777), (270, 968526), (324, 807105), (351, 745020), (390, 670518), (405, 645684), (468, 558765), (486, 538070), (540, 484263), (585, 447012), (702, 372510), (780, 335259), (810, 322842), (972, 269035), (1053, 248340), (1170, 223506), (1215, 215228), (1404, 186255), (1620, 161421), (1755, 149004), (2106, 124170), (2340, 111753), (2430, 107614), (3159, 82780), (3510, 74502), (4139, 63180), (4212, 62085), (4860, 53807), (5265, 49668), (6318, 41390), (7020, 37251), (8278, 31590), (10530, 24834), (12417, 21060), (12636, 20695), (15795, 16556)]