64215180

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1$

素因数の和:278

約数の個数: 144

約数和(自身を含む): 205898784

約数和(自身を除く): 141683604

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 73, 81, 90, 108, 135, 146, 162, 180, 181, 219, 243, 270, 292, 324, 362, 365, 405, 438, 486, 540, 543, 657, 724, 730, 810, 876, 905, 972, 1086, 1095, 1215, 1314, 1460, 1620, 1629, 1810, 1971, 2172, 2190, 2430, 2628, 2715, 3258, 3285, 3620, 3942, 4380, 4860, 4887, 5430, 5913, 6516, 6570, 7884, 8145, 9774, 9855, 10860, 11826, 13140, 13213, 14661, 16290, 17739, 19548, 19710, 23652, 24435, 26426, 29322, 29565, 32580, 35478, 39420, 39639, 43983, 48870, 52852, 58644, 59130, 66065, 70956, 73305, 79278, 87966, 88695, 97740, 118260, 118917, 132130, 146610, 158556, 175932, 177390, 198195, 219915, 237834, 264260, 293220, 354780, 356751, 396390, 439830, 475668, 594585, 713502, 792780, 879660, 1070253, 1189170, 1427004, 1783755, 2140506, 2378340, 3210759, 3567510, 4281012, 5351265, 6421518, 7135020, 10702530, 12843036, 16053795, 21405060, 32107590, 64215180]

約数ペア:

[(1, 64215180), (2, 32107590), (3, 21405060), (4, 16053795), (5, 12843036), (6, 10702530), (9, 7135020), (10, 6421518), (12, 5351265), (15, 4281012), (18, 3567510), (20, 3210759), (27, 2378340), (30, 2140506), (36, 1783755), (45, 1427004), (54, 1189170), (60, 1070253), (73, 879660), (81, 792780), (90, 713502), (108, 594585), (135, 475668), (146, 439830), (162, 396390), (180, 356751), (181, 354780), (219, 293220), (243, 264260), (270, 237834), (292, 219915), (324, 198195), (362, 177390), (365, 175932), (405, 158556), (438, 146610), (486, 132130), (540, 118917), (543, 118260), (657, 97740), (724, 88695), (730, 87966), (810, 79278), (876, 73305), (905, 70956), (972, 66065), (1086, 59130), (1095, 58644), (1215, 52852), (1314, 48870), (1460, 43983), (1620, 39639), (1629, 39420), (1810, 35478), (1971, 32580), (2172, 29565), (2190, 29322), (2430, 26426), (2628, 24435), (2715, 23652), (3258, 19710), (3285, 19548), (3620, 17739), (3942, 16290), (4380, 14661), (4860, 13213), (4887, 13140), (5430, 11826), (5913, 10860), (6516, 9855), (6570, 9774), (7884, 8145)]