681393420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{8431}}^1$

素因数の和:8895

約数の個数: 72

約数和(自身を含む): 2071742400

約数和(自身を除く): 1390348980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 449, 898, 1347, 1796, 2245, 2694, 4041, 4490, 5388, 6735, 8082, 8431, 8980, 13470, 16164, 16862, 20205, 25293, 26940, 33724, 40410, 42155, 50586, 75879, 80820, 84310, 101172, 126465, 151758, 168620, 252930, 303516, 379395, 505860, 758790, 1517580, 3785519, 7571038, 11356557, 15142076, 18927595, 22713114, 34069671, 37855190, 45426228, 56782785, 68139342, 75710380, 113565570, 136278684, 170348355, 227131140, 340696710, 681393420]

約数ペア:

[(1, 681393420), (2, 340696710), (3, 227131140), (4, 170348355), (5, 136278684), (6, 113565570), (9, 75710380), (10, 68139342), (12, 56782785), (15, 45426228), (18, 37855190), (20, 34069671), (30, 22713114), (36, 18927595), (45, 15142076), (60, 11356557), (90, 7571038), (180, 3785519), (449, 1517580), (898, 758790), (1347, 505860), (1796, 379395), (2245, 303516), (2694, 252930), (4041, 168620), (4490, 151758), (5388, 126465), (6735, 101172), (8082, 84310), (8431, 80820), (8980, 75879), (13470, 50586), (16164, 42155), (16862, 40410), (20205, 33724), (25293, 26940)]