9871020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:136

約数の個数: 144

約数和(自身を含む): 32497920

約数和(自身を除く): 22626900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 31, 36, 45, 58, 60, 61, 62, 87, 90, 93, 116, 122, 124, 145, 155, 174, 180, 183, 186, 244, 261, 279, 290, 305, 310, 348, 366, 372, 435, 465, 522, 549, 558, 580, 610, 620, 732, 870, 899, 915, 930, 1044, 1098, 1116, 1220, 1305, 1395, 1740, 1769, 1798, 1830, 1860, 1891, 2196, 2610, 2697, 2745, 2790, 3538, 3596, 3660, 3782, 4495, 5220, 5307, 5394, 5490, 5580, 5673, 7076, 7564, 8091, 8845, 8990, 9455, 10614, 10788, 10980, 11346, 13485, 15921, 16182, 17019, 17690, 17980, 18910, 21228, 22692, 26535, 26970, 28365, 31842, 32364, 34038, 35380, 37820, 40455, 53070, 53940, 54839, 56730, 63684, 68076, 79605, 80910, 85095, 106140, 109678, 113460, 159210, 161820, 164517, 170190, 219356, 274195, 318420, 329034, 340380, 493551, 548390, 658068, 822585, 987102, 1096780, 1645170, 1974204, 2467755, 3290340, 4935510, 9871020]

約数ペア:

[(1, 9871020), (2, 4935510), (3, 3290340), (4, 2467755), (5, 1974204), (6, 1645170), (9, 1096780), (10, 987102), (12, 822585), (15, 658068), (18, 548390), (20, 493551), (29, 340380), (30, 329034), (31, 318420), (36, 274195), (45, 219356), (58, 170190), (60, 164517), (61, 161820), (62, 159210), (87, 113460), (90, 109678), (93, 106140), (116, 85095), (122, 80910), (124, 79605), (145, 68076), (155, 63684), (174, 56730), (180, 54839), (183, 53940), (186, 53070), (244, 40455), (261, 37820), (279, 35380), (290, 34038), (305, 32364), (310, 31842), (348, 28365), (366, 26970), (372, 26535), (435, 22692), (465, 21228), (522, 18910), (549, 17980), (558, 17690), (580, 17019), (610, 16182), (620, 15921), (732, 13485), (870, 11346), (899, 10980), (915, 10788), (930, 10614), (1044, 9455), (1098, 8990), (1116, 8845), (1220, 8091), (1305, 7564), (1395, 7076), (1740, 5673), (1769, 5580), (1798, 5490), (1830, 5394), (1860, 5307), (1891, 5220), (2196, 4495), (2610, 3782), (2697, 3660), (2745, 3596), (2790, 3538)]