621987720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{2741}}^1$

素因数の和:2847

約数の個数: 128

約数和(自身を含む): 1958446080

約数和(自身を除く): 1336458360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 61, 62, 93, 120, 122, 124, 155, 183, 186, 244, 248, 305, 310, 366, 372, 465, 488, 610, 620, 732, 744, 915, 930, 1220, 1240, 1464, 1830, 1860, 1891, 2440, 2741, 3660, 3720, 3782, 5482, 5673, 7320, 7564, 8223, 9455, 10964, 11346, 13705, 15128, 16446, 18910, 21928, 22692, 27410, 28365, 32892, 37820, 41115, 45384, 54820, 56730, 65784, 75640, 82230, 84971, 109640, 113460, 164460, 167201, 169942, 226920, 254913, 328920, 334402, 339884, 424855, 501603, 509826, 668804, 679768, 836005, 849710, 1003206, 1019652, 1274565, 1337608, 1672010, 1699420, 2006412, 2039304, 2508015, 2549130, 3344020, 3398840, 4012824, 5016030, 5098260, 5183231, 6688040, 10032060, 10196520, 10366462, 15549693, 20064120, 20732924, 25916155, 31099386, 41465848, 51832310, 62198772, 77748465, 103664620, 124397544, 155496930, 207329240, 310993860, 621987720]

約数ペア:

[(1, 621987720), (2, 310993860), (3, 207329240), (4, 155496930), (5, 124397544), (6, 103664620), (8, 77748465), (10, 62198772), (12, 51832310), (15, 41465848), (20, 31099386), (24, 25916155), (30, 20732924), (31, 20064120), (40, 15549693), (60, 10366462), (61, 10196520), (62, 10032060), (93, 6688040), (120, 5183231), (122, 5098260), (124, 5016030), (155, 4012824), (183, 3398840), (186, 3344020), (244, 2549130), (248, 2508015), (305, 2039304), (310, 2006412), (366, 1699420), (372, 1672010), (465, 1337608), (488, 1274565), (610, 1019652), (620, 1003206), (732, 849710), (744, 836005), (915, 679768), (930, 668804), (1220, 509826), (1240, 501603), (1464, 424855), (1830, 339884), (1860, 334402), (1891, 328920), (2440, 254913), (2741, 226920), (3660, 169942), (3720, 167201), (3782, 164460), (5482, 113460), (5673, 109640), (7320, 84971), (7564, 82230), (8223, 75640), (9455, 65784), (10964, 56730), (11346, 54820), (13705, 45384), (15128, 41115), (16446, 37820), (18910, 32892), (21928, 28365), (22692, 27410)]