18830640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2531}}^1$

素因数の和:2578

約数の個数: 80

約数和(自身を含む): 60281856

約数和(自身を除く): 41451216

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, 2531, 3720, 5062, 7440, 7593, 10124, 12655, 15186, 20248, 25310, 30372, 37965, 40496, 50620, 60744, 75930, 78461, 101240, 121488, 151860, 156922, 202480, 235383, 303720, 313844, 392305, 470766, 607440, 627688, 784610, 941532, 1176915, 1255376, 1569220, 1883064, 2353830, 3138440, 3766128, 4707660, 6276880, 9415320, 18830640]

約数ペア:

[(1, 18830640), (2, 9415320), (3, 6276880), (4, 4707660), (5, 3766128), (6, 3138440), (8, 2353830), (10, 1883064), (12, 1569220), (15, 1255376), (16, 1176915), (20, 941532), (24, 784610), (30, 627688), (31, 607440), (40, 470766), (48, 392305), (60, 313844), (62, 303720), (80, 235383), (93, 202480), (120, 156922), (124, 151860), (155, 121488), (186, 101240), (240, 78461), (248, 75930), (310, 60744), (372, 50620), (465, 40496), (496, 37965), (620, 30372), (744, 25310), (930, 20248), (1240, 15186), (1488, 12655), (1860, 10124), (2480, 7593), (2531, 7440), (3720, 5062)]