657968220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{40169}}^1$

素因数の和:40204

約数の個数: 144

約数和(自身を含む): 2456475840

約数和(自身を除く): 1798507620

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 2340, 2730, 3276, 4095, 5460, 8190, 16380, 40169, 80338, 120507, 160676, 200845, 241014, 281183, 361521, 401690, 482028, 522197, 562366, 602535, 723042, 803380, 843549, 1044394, 1124732, 1205070, 1405915, 1446084, 1566591, 1687098, 1807605, 2088788, 2410140, 2530647, 2610985, 2811830, 3133182, 3374196, 3615210, 3655379, 4217745, 4699773, 5061294, 5221970, 5623660, 6266364, 7230420, 7310758, 7832955, 8435490, 9399546, 10122588, 10443940, 10966137, 12653235, 14621516, 15665910, 16870980, 18276895, 18799092, 21932274, 23498865, 25306470, 31331820, 32898411, 36553790, 43864548, 46997730, 50612940, 54830685, 65796822, 73107580, 93995460, 109661370, 131593644, 164492055, 219322740, 328984110, 657968220]

約数ペア:

[(1, 657968220), (2, 328984110), (3, 219322740), (4, 164492055), (5, 131593644), (6, 109661370), (7, 93995460), (9, 73107580), (10, 65796822), (12, 54830685), (13, 50612940), (14, 46997730), (15, 43864548), (18, 36553790), (20, 32898411), (21, 31331820), (26, 25306470), (28, 23498865), (30, 21932274), (35, 18799092), (36, 18276895), (39, 16870980), (42, 15665910), (45, 14621516), (52, 12653235), (60, 10966137), (63, 10443940), (65, 10122588), (70, 9399546), (78, 8435490), (84, 7832955), (90, 7310758), (91, 7230420), (105, 6266364), (117, 5623660), (126, 5221970), (130, 5061294), (140, 4699773), (156, 4217745), (180, 3655379), (182, 3615210), (195, 3374196), (210, 3133182), (234, 2811830), (252, 2610985), (260, 2530647), (273, 2410140), (315, 2088788), (364, 1807605), (390, 1687098), (420, 1566591), (455, 1446084), (468, 1405915), (546, 1205070), (585, 1124732), (630, 1044394), (780, 843549), (819, 803380), (910, 723042), (1092, 602535), (1170, 562366), (1260, 522197), (1365, 482028), (1638, 401690), (1820, 361521), (2340, 281183), (2730, 241014), (3276, 200845), (4095, 160676), (5460, 120507), (8190, 80338), (16380, 40169)]