128923620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{3449}}^1$

素因数の和:3557

約数の個数: 96

約数和(自身を含む): 417312000

約数和(自身を除く): 288388380

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 89, 105, 140, 178, 210, 267, 356, 420, 445, 534, 623, 890, 1068, 1246, 1335, 1780, 1869, 2492, 2670, 3115, 3449, 3738, 5340, 6230, 6898, 7476, 9345, 10347, 12460, 13796, 17245, 18690, 20694, 24143, 34490, 37380, 41388, 48286, 51735, 68980, 72429, 96572, 103470, 120715, 144858, 206940, 241430, 289716, 306961, 362145, 482860, 613922, 724290, 920883, 1227844, 1448580, 1534805, 1841766, 2148727, 3069610, 3683532, 4297454, 4604415, 6139220, 6446181, 8594908, 9208830, 10743635, 12892362, 18417660, 21487270, 25784724, 32230905, 42974540, 64461810, 128923620]

約数ペア:

[(1, 128923620), (2, 64461810), (3, 42974540), (4, 32230905), (5, 25784724), (6, 21487270), (7, 18417660), (10, 12892362), (12, 10743635), (14, 9208830), (15, 8594908), (20, 6446181), (21, 6139220), (28, 4604415), (30, 4297454), (35, 3683532), (42, 3069610), (60, 2148727), (70, 1841766), (84, 1534805), (89, 1448580), (105, 1227844), (140, 920883), (178, 724290), (210, 613922), (267, 482860), (356, 362145), (420, 306961), (445, 289716), (534, 241430), (623, 206940), (890, 144858), (1068, 120715), (1246, 103470), (1335, 96572), (1780, 72429), (1869, 68980), (2492, 51735), (2670, 48286), (3115, 41388), (3449, 37380), (3738, 34490), (5340, 24143), (6230, 20694), (6898, 18690), (7476, 17245), (9345, 13796), (10347, 12460)]