1884540

素因数分解:

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

素因数の和:667

約数の個数: 72

約数和(自身を含む): 6147792

約数和(自身を除く): 4263252

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, 1282, 1470, 1923, 2564, 2940, 3205, 3846, 4487, 6410, 7692, 8974, 9615, 12820, 13461, 17948, 19230, 22435, 26922, 31409, 38460, 44870, 53844, 62818, 67305, 89740, 94227, 125636, 134610, 157045, 188454, 269220, 314090, 376908, 471135, 628180, 942270, 1884540]

約数ペア:

[(1, 1884540), (2, 942270), (3, 628180), (4, 471135), (5, 376908), (6, 314090), (7, 269220), (10, 188454), (12, 157045), (14, 134610), (15, 125636), (20, 94227), (21, 89740), (28, 67305), (30, 62818), (35, 53844), (42, 44870), (49, 38460), (60, 31409), (70, 26922), (84, 22435), (98, 19230), (105, 17948), (140, 13461), (147, 12820), (196, 9615), (210, 8974), (245, 7692), (294, 6410), (420, 4487), (490, 3846), (588, 3205), (641, 2940), (735, 2564), (980, 1923), (1282, 1470)]