128230520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{12671}}^1$

素因数の和:12716

約数の個数: 64

約数和(自身を含む): 328458240

約数和(自身を除く): 200227720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 184, 220, 230, 253, 440, 460, 506, 920, 1012, 1265, 2024, 2530, 5060, 10120, 12671, 25342, 50684, 63355, 101368, 126710, 139381, 253420, 278762, 291433, 506840, 557524, 582866, 696905, 1115048, 1165732, 1393810, 1457165, 2331464, 2787620, 2914330, 3205763, 5575240, 5828660, 6411526, 11657320, 12823052, 16028815, 25646104, 32057630, 64115260, 128230520]

約数ペア:

[(1, 128230520), (2, 64115260), (4, 32057630), (5, 25646104), (8, 16028815), (10, 12823052), (11, 11657320), (20, 6411526), (22, 5828660), (23, 5575240), (40, 3205763), (44, 2914330), (46, 2787620), (55, 2331464), (88, 1457165), (92, 1393810), (110, 1165732), (115, 1115048), (184, 696905), (220, 582866), (230, 557524), (253, 506840), (440, 291433), (460, 278762), (506, 253420), (920, 139381), (1012, 126710), (1265, 101368), (2024, 63355), (2530, 50684), (5060, 25342), (10120, 12671)]