8681820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{2953}}^1$

素因数の和:2979

約数の個数: 72

約数和(自身を含む): 28287504

約数和(自身を除く): 19605684

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 2953, 5906, 8859, 11812, 14765, 17718, 20671, 29530, 35436, 41342, 44295, 59060, 62013, 82684, 88590, 103355, 124026, 144697, 177180, 206710, 248052, 289394, 310065, 413420, 434091, 578788, 620130, 723485, 868182, 1240260, 1446970, 1736364, 2170455, 2893940, 4340910, 8681820]

約数ペア:

[(1, 8681820), (2, 4340910), (3, 2893940), (4, 2170455), (5, 1736364), (6, 1446970), (7, 1240260), (10, 868182), (12, 723485), (14, 620130), (15, 578788), (20, 434091), (21, 413420), (28, 310065), (30, 289394), (35, 248052), (42, 206710), (49, 177180), (60, 144697), (70, 124026), (84, 103355), (98, 88590), (105, 82684), (140, 62013), (147, 59060), (196, 44295), (210, 41342), (245, 35436), (294, 29530), (420, 20671), (490, 17718), (588, 14765), (735, 11812), (980, 8859), (1470, 5906), (2940, 2953)]