28245960

素因数分解:

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

素因数の和:2579

約数の個数: 96

約数和(自身を含む): 94798080

約数和(自身を除く): 66552120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 90, 93, 120, 124, 155, 180, 186, 248, 279, 310, 360, 372, 465, 558, 620, 744, 930, 1116, 1240, 1395, 1860, 2232, 2531, 2790, 3720, 5062, 5580, 7593, 10124, 11160, 12655, 15186, 20248, 22779, 25310, 30372, 37965, 45558, 50620, 60744, 75930, 78461, 91116, 101240, 113895, 151860, 156922, 182232, 227790, 235383, 303720, 313844, 392305, 455580, 470766, 627688, 706149, 784610, 911160, 941532, 1176915, 1412298, 1569220, 1883064, 2353830, 2824596, 3138440, 3530745, 4707660, 5649192, 7061490, 9415320, 14122980, 28245960]

約数ペア:

[(1, 28245960), (2, 14122980), (3, 9415320), (4, 7061490), (5, 5649192), (6, 4707660), (8, 3530745), (9, 3138440), (10, 2824596), (12, 2353830), (15, 1883064), (18, 1569220), (20, 1412298), (24, 1176915), (30, 941532), (31, 911160), (36, 784610), (40, 706149), (45, 627688), (60, 470766), (62, 455580), (72, 392305), (90, 313844), (93, 303720), (120, 235383), (124, 227790), (155, 182232), (180, 156922), (186, 151860), (248, 113895), (279, 101240), (310, 91116), (360, 78461), (372, 75930), (465, 60744), (558, 50620), (620, 45558), (744, 37965), (930, 30372), (1116, 25310), (1240, 22779), (1395, 20248), (1860, 15186), (2232, 12655), (2531, 11160), (2790, 10124), (3720, 7593), (5062, 5580)]