73399140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{997}}^1$

素因数の和:1421

約数の個数: 72

約数和(自身を含む): 223412280

約数和(自身を除く): 150013140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 409, 818, 997, 1227, 1636, 1994, 2045, 2454, 2991, 3681, 3988, 4090, 4908, 4985, 5982, 6135, 7362, 8180, 8973, 9970, 11964, 12270, 14724, 14955, 17946, 18405, 19940, 24540, 29910, 35892, 36810, 44865, 59820, 73620, 89730, 179460, 407773, 815546, 1223319, 1631092, 2038865, 2446638, 3669957, 4077730, 4893276, 6116595, 7339914, 8155460, 12233190, 14679828, 18349785, 24466380, 36699570, 73399140]

約数ペア:

[(1, 73399140), (2, 36699570), (3, 24466380), (4, 18349785), (5, 14679828), (6, 12233190), (9, 8155460), (10, 7339914), (12, 6116595), (15, 4893276), (18, 4077730), (20, 3669957), (30, 2446638), (36, 2038865), (45, 1631092), (60, 1223319), (90, 815546), (180, 407773), (409, 179460), (818, 89730), (997, 73620), (1227, 59820), (1636, 44865), (1994, 36810), (2045, 35892), (2454, 29910), (2991, 24540), (3681, 19940), (3988, 18405), (4090, 17946), (4908, 14955), (4985, 14724), (5982, 12270), (6135, 11964), (7362, 9970), (8180, 8973)]