421756440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{8231}}^1$

素因数の和:8313

約数の個数: 128

約数和(自身を含む): 1469905920

約数和(自身を除く): 1048149480

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, 61, 70, 84, 105, 120, 122, 140, 168, 183, 210, 244, 280, 305, 366, 420, 427, 488, 610, 732, 840, 854, 915, 1220, 1281, 1464, 1708, 1830, 2135, 2440, 2562, 3416, 3660, 4270, 5124, 6405, 7320, 8231, 8540, 10248, 12810, 16462, 17080, 24693, 25620, 32924, 41155, 49386, 51240, 57617, 65848, 82310, 98772, 115234, 123465, 164620, 172851, 197544, 230468, 246930, 288085, 329240, 345702, 460936, 493860, 502091, 576170, 691404, 864255, 987720, 1004182, 1152340, 1382808, 1506273, 1728510, 2008364, 2304680, 2510455, 3012546, 3457020, 3514637, 4016728, 5020910, 6025092, 6914040, 7029274, 7531365, 10041820, 10543911, 12050184, 14058548, 15062730, 17573185, 20083640, 21087822, 28117096, 30125460, 35146370, 42175644, 52719555, 60250920, 70292740, 84351288, 105439110, 140585480, 210878220, 421756440]

約数ペア:

[(1, 421756440), (2, 210878220), (3, 140585480), (4, 105439110), (5, 84351288), (6, 70292740), (7, 60250920), (8, 52719555), (10, 42175644), (12, 35146370), (14, 30125460), (15, 28117096), (20, 21087822), (21, 20083640), (24, 17573185), (28, 15062730), (30, 14058548), (35, 12050184), (40, 10543911), (42, 10041820), (56, 7531365), (60, 7029274), (61, 6914040), (70, 6025092), (84, 5020910), (105, 4016728), (120, 3514637), (122, 3457020), (140, 3012546), (168, 2510455), (183, 2304680), (210, 2008364), (244, 1728510), (280, 1506273), (305, 1382808), (366, 1152340), (420, 1004182), (427, 987720), (488, 864255), (610, 691404), (732, 576170), (840, 502091), (854, 493860), (915, 460936), (1220, 345702), (1281, 329240), (1464, 288085), (1708, 246930), (1830, 230468), (2135, 197544), (2440, 172851), (2562, 164620), (3416, 123465), (3660, 115234), (4270, 98772), (5124, 82310), (6405, 65848), (7320, 57617), (8231, 51240), (8540, 49386), (10248, 41155), (12810, 32924), (16462, 25620), (17080, 24693)]