72940980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{173669}}^1$

素因数の和:173688

約数の個数: 48

約数和(自身を含む): 233412480

約数和(自身を除く): 160471500

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 173669, 347338, 521007, 694676, 868345, 1042014, 1215683, 1736690, 2084028, 2431366, 2605035, 3473380, 3647049, 4862732, 5210070, 6078415, 7294098, 10420140, 12156830, 14588196, 18235245, 24313660, 36470490, 72940980]

約数ペア:

[(1, 72940980), (2, 36470490), (3, 24313660), (4, 18235245), (5, 14588196), (6, 12156830), (7, 10420140), (10, 7294098), (12, 6078415), (14, 5210070), (15, 4862732), (20, 3647049), (21, 3473380), (28, 2605035), (30, 2431366), (35, 2084028), (42, 1736690), (60, 1215683), (70, 1042014), (84, 868345), (105, 694676), (140, 521007), (210, 347338), (420, 173669)]