613620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{487}}^1$

素因数の和:509

約数の個数: 72

約数和(自身を含む): 2131584

約数和(自身を除く): 1517964

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 487, 630, 974, 1260, 1461, 1948, 2435, 2922, 3409, 4383, 4870, 5844, 6818, 7305, 8766, 9740, 10227, 13636, 14610, 17045, 17532, 20454, 21915, 29220, 30681, 34090, 40908, 43830, 51135, 61362, 68180, 87660, 102270, 122724, 153405, 204540, 306810, 613620]

約数ペア:

[(1, 613620), (2, 306810), (3, 204540), (4, 153405), (5, 122724), (6, 102270), (7, 87660), (9, 68180), (10, 61362), (12, 51135), (14, 43830), (15, 40908), (18, 34090), (20, 30681), (21, 29220), (28, 21915), (30, 20454), (35, 17532), (36, 17045), (42, 14610), (45, 13636), (60, 10227), (63, 9740), (70, 8766), (84, 7305), (90, 6818), (105, 5844), (126, 4870), (140, 4383), (180, 3409), (210, 2922), (252, 2435), (315, 1948), (420, 1461), (487, 1260), (630, 974)]