261578640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1039}}^1\times {\mathrm{1049}}^1$

素因数の和:2104

約数の個数: 80

約数和(自身を含む): 812448000

約数和(自身を除く): 550869360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1039, 1049, 2078, 2098, 3117, 3147, 4156, 4196, 5195, 5245, 6234, 6294, 8312, 8392, 10390, 10490, 12468, 12588, 15585, 15735, 16624, 16784, 20780, 20980, 24936, 25176, 31170, 31470, 41560, 41960, 49872, 50352, 62340, 62940, 83120, 83920, 124680, 125880, 249360, 251760, 1089911, 2179822, 3269733, 4359644, 5449555, 6539466, 8719288, 10899110, 13078932, 16348665, 17438576, 21798220, 26157864, 32697330, 43596440, 52315728, 65394660, 87192880, 130789320, 261578640]

約数ペア:

[(1, 261578640), (2, 130789320), (3, 87192880), (4, 65394660), (5, 52315728), (6, 43596440), (8, 32697330), (10, 26157864), (12, 21798220), (15, 17438576), (16, 16348665), (20, 13078932), (24, 10899110), (30, 8719288), (40, 6539466), (48, 5449555), (60, 4359644), (80, 3269733), (120, 2179822), (240, 1089911), (1039, 251760), (1049, 249360), (2078, 125880), (2098, 124680), (3117, 83920), (3147, 83120), (4156, 62940), (4196, 62340), (5195, 50352), (5245, 49872), (6234, 41960), (6294, 41560), (8312, 31470), (8392, 31170), (10390, 25176), (10490, 24936), (12468, 20980), (12588, 20780), (15585, 16784), (15735, 16624)]