87617880

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{4967}}^1$

素因数の和:4998

約数の個数: 144

約数和(自身を含む): 331315920

約数和(自身を除く): 243698040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1960, 2205, 2520, 2940, 3528, 4410, 4967, 5880, 8820, 9934, 14901, 17640, 19868, 24835, 29802, 34769, 39736, 44703, 49670, 59604, 69538, 74505, 89406, 99340, 104307, 119208, 139076, 149010, 173845, 178812, 198680, 208614, 223515, 243383, 278152, 298020, 312921, 347690, 357624, 417228, 447030, 486766, 521535, 596040, 625842, 695380, 730149, 834456, 894060, 973532, 1043070, 1216915, 1251684, 1390760, 1460298, 1564605, 1788120, 1947064, 2086140, 2190447, 2433830, 2503368, 2920596, 3129210, 3650745, 4172280, 4380894, 4867660, 5841192, 6258420, 7301490, 8761788, 9735320, 10952235, 12516840, 14602980, 17523576, 21904470, 29205960, 43808940, 87617880]

約数ペア:

[(1, 87617880), (2, 43808940), (3, 29205960), (4, 21904470), (5, 17523576), (6, 14602980), (7, 12516840), (8, 10952235), (9, 9735320), (10, 8761788), (12, 7301490), (14, 6258420), (15, 5841192), (18, 4867660), (20, 4380894), (21, 4172280), (24, 3650745), (28, 3129210), (30, 2920596), (35, 2503368), (36, 2433830), (40, 2190447), (42, 2086140), (45, 1947064), (49, 1788120), (56, 1564605), (60, 1460298), (63, 1390760), (70, 1251684), (72, 1216915), (84, 1043070), (90, 973532), (98, 894060), (105, 834456), (120, 730149), (126, 695380), (140, 625842), (147, 596040), (168, 521535), (180, 486766), (196, 447030), (210, 417228), (245, 357624), (252, 347690), (280, 312921), (294, 298020), (315, 278152), (360, 243383), (392, 223515), (420, 208614), (441, 198680), (490, 178812), (504, 173845), (588, 149010), (630, 139076), (735, 119208), (840, 104307), (882, 99340), (980, 89406), (1176, 74505), (1260, 69538), (1470, 59604), (1764, 49670), (1960, 44703), (2205, 39736), (2520, 34769), (2940, 29802), (3528, 24835), (4410, 19868), (4967, 17640), (5880, 14901), (8820, 9934)]