72903540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{19919}}^1$

素因数の和:19992

約数の個数: 48

約数和(自身を含む): 207486720

約数和(自身を除く): 134583180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 19919, 39838, 59757, 79676, 99595, 119514, 199190, 239028, 298785, 398380, 597570, 1195140, 1215059, 2430118, 3645177, 4860236, 6075295, 7290354, 12150590, 14580708, 18225885, 24301180, 36451770, 72903540]

約数ペア:

[(1, 72903540), (2, 36451770), (3, 24301180), (4, 18225885), (5, 14580708), (6, 12150590), (10, 7290354), (12, 6075295), (15, 4860236), (20, 3645177), (30, 2430118), (60, 1215059), (61, 1195140), (122, 597570), (183, 398380), (244, 298785), (305, 239028), (366, 199190), (610, 119514), (732, 99595), (915, 79676), (1220, 59757), (1830, 39838), (3660, 19919)]