1861064520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{5417}}^1$

素因数の和:5847

約数の個数: 128

約数和(自身を含む): 6397574400

約数和(自身を除く): 4536509880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 409, 420, 818, 840, 1227, 1636, 2045, 2454, 2863, 3272, 4090, 4908, 5417, 5726, 6135, 8180, 8589, 9816, 10834, 11452, 12270, 14315, 16251, 16360, 17178, 21668, 22904, 24540, 27085, 28630, 32502, 34356, 37919, 42945, 43336, 49080, 54170, 57260, 65004, 68712, 75838, 81255, 85890, 108340, 113757, 114520, 130008, 151676, 162510, 171780, 189595, 216680, 227514, 303352, 325020, 343560, 379190, 455028, 568785, 650040, 758380, 910056, 1137570, 1516760, 2215553, 2275140, 4431106, 4550280, 6646659, 8862212, 11077765, 13293318, 15508871, 17724424, 22155530, 26586636, 31017742, 33233295, 44311060, 46526613, 53173272, 62035484, 66466590, 77544355, 88622120, 93053226, 124070968, 132933180, 155088710, 186106452, 232633065, 265866360, 310177420, 372212904, 465266130, 620354840, 930532260, 1861064520]

約数ペア:

[(1, 1861064520), (2, 930532260), (3, 620354840), (4, 465266130), (5, 372212904), (6, 310177420), (7, 265866360), (8, 232633065), (10, 186106452), (12, 155088710), (14, 132933180), (15, 124070968), (20, 93053226), (21, 88622120), (24, 77544355), (28, 66466590), (30, 62035484), (35, 53173272), (40, 46526613), (42, 44311060), (56, 33233295), (60, 31017742), (70, 26586636), (84, 22155530), (105, 17724424), (120, 15508871), (140, 13293318), (168, 11077765), (210, 8862212), (280, 6646659), (409, 4550280), (420, 4431106), (818, 2275140), (840, 2215553), (1227, 1516760), (1636, 1137570), (2045, 910056), (2454, 758380), (2863, 650040), (3272, 568785), (4090, 455028), (4908, 379190), (5417, 343560), (5726, 325020), (6135, 303352), (8180, 227514), (8589, 216680), (9816, 189595), (10834, 171780), (11452, 162510), (12270, 151676), (14315, 130008), (16251, 114520), (16360, 113757), (17178, 108340), (21668, 85890), (22904, 81255), (24540, 75838), (27085, 68712), (28630, 65004), (32502, 57260), (34356, 54170), (37919, 49080), (42945, 43336)]