2015280260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{277}}^1\times {\mathrm{331}}^1$

素因数の和:781

約数の個数: 96

約数和(自身を含む): 4899810048

約数和(自身を除く): 2884529788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 277, 314, 331, 554, 628, 662, 785, 1099, 1108, 1324, 1385, 1570, 1655, 1939, 2198, 2317, 2770, 3140, 3310, 3878, 4396, 4634, 5495, 5540, 6620, 7756, 9268, 9695, 10990, 11585, 19390, 21980, 23170, 38780, 43489, 46340, 51967, 86978, 91687, 103934, 173956, 183374, 207868, 217445, 259835, 304423, 363769, 366748, 434890, 458435, 519670, 608846, 641809, 727538, 869780, 916870, 1039340, 1217692, 1283618, 1455076, 1522115, 1818845, 1833740, 2567236, 3044230, 3209045, 3637690, 6088460, 6418090, 7275380, 12836180, 14394859, 28789718, 57579436, 71974295, 100764013, 143948590, 201528026, 287897180, 403056052, 503820065, 1007640130, 2015280260]

約数ペア:

[(1, 2015280260), (2, 1007640130), (4, 503820065), (5, 403056052), (7, 287897180), (10, 201528026), (14, 143948590), (20, 100764013), (28, 71974295), (35, 57579436), (70, 28789718), (140, 14394859), (157, 12836180), (277, 7275380), (314, 6418090), (331, 6088460), (554, 3637690), (628, 3209045), (662, 3044230), (785, 2567236), (1099, 1833740), (1108, 1818845), (1324, 1522115), (1385, 1455076), (1570, 1283618), (1655, 1217692), (1939, 1039340), (2198, 916870), (2317, 869780), (2770, 727538), (3140, 641809), (3310, 608846), (3878, 519670), (4396, 458435), (4634, 434890), (5495, 366748), (5540, 363769), (6620, 304423), (7756, 259835), (9268, 217445), (9695, 207868), (10990, 183374), (11585, 173956), (19390, 103934), (21980, 91687), (23170, 86978), (38780, 51967), (43489, 46340)]