678366180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{121571}}^1$

素因数の和:121617

約数の個数: 72

約数和(自身を含む): 2124105984

約数和(自身を除く): 1445739804

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 121571, 243142, 364713, 486284, 607855, 729426, 1094139, 1215710, 1458852, 1823565, 2188278, 2431420, 3647130, 3768701, 4376556, 5470695, 7294260, 7537402, 10941390, 11306103, 15074804, 18843505, 21882780, 22612206, 33918309, 37687010, 45224412, 56530515, 67836618, 75374020, 113061030, 135673236, 169591545, 226122060, 339183090, 678366180]

約数ペア:

[(1, 678366180), (2, 339183090), (3, 226122060), (4, 169591545), (5, 135673236), (6, 113061030), (9, 75374020), (10, 67836618), (12, 56530515), (15, 45224412), (18, 37687010), (20, 33918309), (30, 22612206), (31, 21882780), (36, 18843505), (45, 15074804), (60, 11306103), (62, 10941390), (90, 7537402), (93, 7294260), (124, 5470695), (155, 4376556), (180, 3768701), (186, 3647130), (279, 2431420), (310, 2188278), (372, 1823565), (465, 1458852), (558, 1215710), (620, 1094139), (930, 729426), (1116, 607855), (1395, 486284), (1860, 364713), (2790, 243142), (5580, 121571)]