648889380

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{263}}^1\times {\mathrm{1523}}^1$

素因数の和:1807

約数の個数: 120

約数和(自身を含む): 2044671552

約数和(自身を除く): 1395782172

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 263, 270, 324, 405, 526, 540, 789, 810, 1052, 1315, 1523, 1578, 1620, 2367, 2630, 3046, 3156, 3945, 4569, 4734, 5260, 6092, 7101, 7615, 7890, 9138, 9468, 11835, 13707, 14202, 15230, 15780, 18276, 21303, 22845, 23670, 27414, 28404, 30460, 35505, 41121, 42606, 45690, 47340, 54828, 68535, 71010, 82242, 85212, 91380, 106515, 123363, 137070, 142020, 164484, 205605, 213030, 246726, 274140, 400549, 411210, 426060, 493452, 616815, 801098, 822420, 1201647, 1233630, 1602196, 2002745, 2403294, 2467260, 3604941, 4005490, 4806588, 6008235, 7209882, 8010980, 10814823, 12016470, 14419764, 18024705, 21629646, 24032940, 32444469, 36049410, 43259292, 54074115, 64888938, 72098820, 108148230, 129777876, 162222345, 216296460, 324444690, 648889380]

約数ペア:

[(1, 648889380), (2, 324444690), (3, 216296460), (4, 162222345), (5, 129777876), (6, 108148230), (9, 72098820), (10, 64888938), (12, 54074115), (15, 43259292), (18, 36049410), (20, 32444469), (27, 24032940), (30, 21629646), (36, 18024705), (45, 14419764), (54, 12016470), (60, 10814823), (81, 8010980), (90, 7209882), (108, 6008235), (135, 4806588), (162, 4005490), (180, 3604941), (263, 2467260), (270, 2403294), (324, 2002745), (405, 1602196), (526, 1233630), (540, 1201647), (789, 822420), (810, 801098), (1052, 616815), (1315, 493452), (1523, 426060), (1578, 411210), (1620, 400549), (2367, 274140), (2630, 246726), (3046, 213030), (3156, 205605), (3945, 164484), (4569, 142020), (4734, 137070), (5260, 123363), (6092, 106515), (7101, 91380), (7615, 85212), (7890, 82242), (9138, 71010), (9468, 68535), (11835, 54828), (13707, 47340), (14202, 45690), (15230, 42606), (15780, 41121), (18276, 35505), (21303, 30460), (22845, 28404), (23670, 27414)]