231256620

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{20393}}^1$

素因数の和:20421

約数の個数: 120

約数和(自身を含む): 829138464

約数和(自身を除く): 597881844

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 945, 1134, 1260, 1620, 1890, 2268, 2835, 3780, 5670, 11340, 20393, 40786, 61179, 81572, 101965, 122358, 142751, 183537, 203930, 244716, 285502, 305895, 367074, 407860, 428253, 550611, 571004, 611790, 713755, 734148, 856506, 917685, 1101222, 1223580, 1284759, 1427510, 1651833, 1713012, 1835370, 2141265, 2202444, 2569518, 2753055, 2855020, 3303666, 3670740, 3854277, 4282530, 5139036, 5506110, 6423795, 6607332, 7708554, 8259165, 8565060, 11012220, 11562831, 12847590, 15417108, 16518330, 19271385, 23125662, 25695180, 33036660, 38542770, 46251324, 57814155, 77085540, 115628310, 231256620]

約数ペア:

[(1, 231256620), (2, 115628310), (3, 77085540), (4, 57814155), (5, 46251324), (6, 38542770), (7, 33036660), (9, 25695180), (10, 23125662), (12, 19271385), (14, 16518330), (15, 15417108), (18, 12847590), (20, 11562831), (21, 11012220), (27, 8565060), (28, 8259165), (30, 7708554), (35, 6607332), (36, 6423795), (42, 5506110), (45, 5139036), (54, 4282530), (60, 3854277), (63, 3670740), (70, 3303666), (81, 2855020), (84, 2753055), (90, 2569518), (105, 2202444), (108, 2141265), (126, 1835370), (135, 1713012), (140, 1651833), (162, 1427510), (180, 1284759), (189, 1223580), (210, 1101222), (252, 917685), (270, 856506), (315, 734148), (324, 713755), (378, 611790), (405, 571004), (420, 550611), (540, 428253), (567, 407860), (630, 367074), (756, 305895), (810, 285502), (945, 244716), (1134, 203930), (1260, 183537), (1620, 142751), (1890, 122358), (2268, 101965), (2835, 81572), (3780, 61179), (5670, 40786), (11340, 20393)]