4000860

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:288

約数の個数: 96

約数和(自身を含む): 12902400

約数和(自身を除く): 8901540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 90, 93, 108, 124, 135, 155, 180, 186, 239, 270, 279, 310, 372, 465, 478, 540, 558, 620, 717, 837, 930, 956, 1116, 1195, 1395, 1434, 1674, 1860, 2151, 2390, 2790, 2868, 3348, 3585, 4185, 4302, 4780, 5580, 6453, 7170, 7409, 8370, 8604, 10755, 12906, 14340, 14818, 16740, 21510, 22227, 25812, 29636, 32265, 37045, 43020, 44454, 64530, 66681, 74090, 88908, 111135, 129060, 133362, 148180, 200043, 222270, 266724, 333405, 400086, 444540, 666810, 800172, 1000215, 1333620, 2000430, 4000860]

約数ペア:

[(1, 4000860), (2, 2000430), (3, 1333620), (4, 1000215), (5, 800172), (6, 666810), (9, 444540), (10, 400086), (12, 333405), (15, 266724), (18, 222270), (20, 200043), (27, 148180), (30, 133362), (31, 129060), (36, 111135), (45, 88908), (54, 74090), (60, 66681), (62, 64530), (90, 44454), (93, 43020), (108, 37045), (124, 32265), (135, 29636), (155, 25812), (180, 22227), (186, 21510), (239, 16740), (270, 14818), (279, 14340), (310, 12906), (372, 10755), (465, 8604), (478, 8370), (540, 7409), (558, 7170), (620, 6453), (717, 5580), (837, 4780), (930, 4302), (956, 4185), (1116, 3585), (1195, 3348), (1395, 2868), (1434, 2790), (1674, 2390), (1860, 2151)]