2078647620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{641}}^1\times {\mathrm{1103}}^1$

素因数の和:1770

約数の個数: 144

約数和(自身を含む): 6787162368

約数和(自身を除く): 4708514748

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 641, 735, 980, 1103, 1282, 1470, 1923, 2206, 2564, 2940, 3205, 3309, 3846, 4412, 4487, 5515, 6410, 6618, 7692, 7721, 8974, 9615, 11030, 12820, 13236, 13461, 15442, 16545, 17948, 19230, 22060, 22435, 23163, 26922, 30884, 31409, 33090, 38460, 38605, 44870, 46326, 53844, 54047, 62818, 66180, 67305, 77210, 89740, 92652, 94227, 108094, 115815, 125636, 134610, 154420, 157045, 162141, 188454, 216188, 231630, 269220, 270235, 314090, 324282, 376908, 463260, 471135, 540470, 628180, 648564, 707023, 810705, 942270, 1080940, 1414046, 1621410, 1884540, 2121069, 2828092, 3242820, 3535115, 4242138, 4949161, 7070230, 8484276, 9898322, 10605345, 14140460, 14847483, 19796644, 21210690, 24745805, 29694966, 34644127, 42421380, 49491610, 59389932, 69288254, 74237415, 98983220, 103932381, 138576508, 148474830, 173220635, 207864762, 296949660, 346441270, 415729524, 519661905, 692882540, 1039323810, 2078647620]

約数ペア:

[(1, 2078647620), (2, 1039323810), (3, 692882540), (4, 519661905), (5, 415729524), (6, 346441270), (7, 296949660), (10, 207864762), (12, 173220635), (14, 148474830), (15, 138576508), (20, 103932381), (21, 98983220), (28, 74237415), (30, 69288254), (35, 59389932), (42, 49491610), (49, 42421380), (60, 34644127), (70, 29694966), (84, 24745805), (98, 21210690), (105, 19796644), (140, 14847483), (147, 14140460), (196, 10605345), (210, 9898322), (245, 8484276), (294, 7070230), (420, 4949161), (490, 4242138), (588, 3535115), (641, 3242820), (735, 2828092), (980, 2121069), (1103, 1884540), (1282, 1621410), (1470, 1414046), (1923, 1080940), (2206, 942270), (2564, 810705), (2940, 707023), (3205, 648564), (3309, 628180), (3846, 540470), (4412, 471135), (4487, 463260), (5515, 376908), (6410, 324282), (6618, 314090), (7692, 270235), (7721, 269220), (8974, 231630), (9615, 216188), (11030, 188454), (12820, 162141), (13236, 157045), (13461, 154420), (15442, 134610), (16545, 125636), (17948, 115815), (19230, 108094), (22060, 94227), (22435, 92652), (23163, 89740), (26922, 77210), (30884, 67305), (31409, 66180), (33090, 62818), (38460, 54047), (38605, 53844), (44870, 46326)]