72941820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{173671}}^1$

素因数の和:173690

約数の個数: 48

約数和(自身を含む): 233415168

約数和(自身を除く): 160473348

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, 173671, 347342, 521013, 694684, 868355, 1042026, 1215697, 1736710, 2084052, 2431394, 2605065, 3473420, 3647091, 4862788, 5210130, 6078485, 7294182, 10420260, 12156970, 14588364, 18235455, 24313940, 36470910, 72941820]

約数ペア:

[(1, 72941820), (2, 36470910), (3, 24313940), (4, 18235455), (5, 14588364), (6, 12156970), (7, 10420260), (10, 7294182), (12, 6078485), (14, 5210130), (15, 4862788), (20, 3647091), (21, 3473420), (28, 2605065), (30, 2431394), (35, 2084052), (42, 1736710), (60, 1215697), (70, 1042026), (84, 868355), (105, 694684), (140, 521013), (210, 347342), (420, 173671)]