208607760

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{289733}}^1$

素因数の和:289752

約数の個数: 60

約数和(自身を含む): 700576812

約数和(自身を除く): 491969052

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 289733, 579466, 869199, 1158932, 1448665, 1738398, 2317864, 2607597, 2897330, 3476796, 4345995, 4635728, 5215194, 5794660, 6953592, 8691990, 10430388, 11589320, 13037985, 13907184, 17383980, 20860776, 23178640, 26075970, 34767960, 41721552, 52151940, 69535920, 104303880, 208607760]

約数ペア:

[(1, 208607760), (2, 104303880), (3, 69535920), (4, 52151940), (5, 41721552), (6, 34767960), (8, 26075970), (9, 23178640), (10, 20860776), (12, 17383980), (15, 13907184), (16, 13037985), (18, 11589320), (20, 10430388), (24, 8691990), (30, 6953592), (36, 5794660), (40, 5215194), (45, 4635728), (48, 4345995), (60, 3476796), (72, 2897330), (80, 2607597), (90, 2317864), (120, 1738398), (144, 1448665), (180, 1158932), (240, 869199), (360, 579466), (720, 289733)]