66781920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{373}}^2$

素因数の和:764

約数の個数: 72

約数和(自身を含む): 210928536

約数和(自身を除く): 144146616

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 373, 480, 746, 1119, 1492, 1865, 2238, 2984, 3730, 4476, 5595, 5968, 7460, 8952, 11190, 11936, 14920, 17904, 22380, 29840, 35808, 44760, 59680, 89520, 139129, 179040, 278258, 417387, 556516, 695645, 834774, 1113032, 1391290, 1669548, 2086935, 2226064, 2782580, 3339096, 4173870, 4452128, 5565160, 6678192, 8347740, 11130320, 13356384, 16695480, 22260640, 33390960, 66781920]

約数ペア:

[(1, 66781920), (2, 33390960), (3, 22260640), (4, 16695480), (5, 13356384), (6, 11130320), (8, 8347740), (10, 6678192), (12, 5565160), (15, 4452128), (16, 4173870), (20, 3339096), (24, 2782580), (30, 2226064), (32, 2086935), (40, 1669548), (48, 1391290), (60, 1113032), (80, 834774), (96, 695645), (120, 556516), (160, 417387), (240, 278258), (373, 179040), (480, 139129), (746, 89520), (1119, 59680), (1492, 44760), (1865, 35808), (2238, 29840), (2984, 22380), (3730, 17904), (4476, 14920), (5595, 11936), (5968, 11190), (7460, 8952)]