1520520240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{204371}}^1$

素因数の和:204418

約数の個数: 80

約数和(自身を含む): 4865688576

約数和(自身を除く): 3345168336

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 204371, 408742, 613113, 817484, 1021855, 1226226, 1634968, 2043710, 2452452, 3065565, 3269936, 4087420, 4904904, 6131130, 6335501, 8174840, 9809808, 12262260, 12671002, 16349680, 19006503, 24524520, 25342004, 31677505, 38013006, 49049040, 50684008, 63355010, 76026012, 95032515, 101368016, 126710020, 152052024, 190065030, 253420040, 304104048, 380130060, 506840080, 760260120, 1520520240]

約数ペア:

[(1, 1520520240), (2, 760260120), (3, 506840080), (4, 380130060), (5, 304104048), (6, 253420040), (8, 190065030), (10, 152052024), (12, 126710020), (15, 101368016), (16, 95032515), (20, 76026012), (24, 63355010), (30, 50684008), (31, 49049040), (40, 38013006), (48, 31677505), (60, 25342004), (62, 24524520), (80, 19006503), (93, 16349680), (120, 12671002), (124, 12262260), (155, 9809808), (186, 8174840), (240, 6335501), (248, 6131130), (310, 4904904), (372, 4087420), (465, 3269936), (496, 3065565), (620, 2452452), (744, 2043710), (930, 1634968), (1240, 1226226), (1488, 1021855), (1860, 817484), (2480, 613113), (3720, 408742), (7440, 204371)]