42800220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:300

約数の個数: 144

約数和(自身を含む): 140107968

約数和(自身を除く): 97307748

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 71, 85, 90, 102, 142, 153, 170, 180, 197, 204, 213, 255, 284, 306, 340, 355, 394, 426, 510, 591, 612, 639, 710, 765, 788, 852, 985, 1020, 1065, 1182, 1207, 1278, 1420, 1530, 1773, 1970, 2130, 2364, 2414, 2556, 2955, 3060, 3195, 3349, 3546, 3621, 3940, 4260, 4828, 5910, 6035, 6390, 6698, 7092, 7242, 8865, 10047, 10863, 11820, 12070, 12780, 13396, 13987, 14484, 16745, 17730, 18105, 20094, 21726, 24140, 27974, 30141, 33490, 35460, 36210, 40188, 41961, 43452, 50235, 54315, 55948, 60282, 66980, 69935, 72420, 83922, 100470, 108630, 120564, 125883, 139870, 150705, 167844, 200940, 209805, 217260, 237779, 251766, 279740, 301410, 419610, 475558, 503532, 602820, 629415, 713337, 839220, 951116, 1188895, 1258830, 1426674, 2140011, 2377790, 2517660, 2853348, 3566685, 4280022, 4755580, 7133370, 8560044, 10700055, 14266740, 21400110, 42800220]

約数ペア:

[(1, 42800220), (2, 21400110), (3, 14266740), (4, 10700055), (5, 8560044), (6, 7133370), (9, 4755580), (10, 4280022), (12, 3566685), (15, 2853348), (17, 2517660), (18, 2377790), (20, 2140011), (30, 1426674), (34, 1258830), (36, 1188895), (45, 951116), (51, 839220), (60, 713337), (68, 629415), (71, 602820), (85, 503532), (90, 475558), (102, 419610), (142, 301410), (153, 279740), (170, 251766), (180, 237779), (197, 217260), (204, 209805), (213, 200940), (255, 167844), (284, 150705), (306, 139870), (340, 125883), (355, 120564), (394, 108630), (426, 100470), (510, 83922), (591, 72420), (612, 69935), (639, 66980), (710, 60282), (765, 55948), (788, 54315), (852, 50235), (985, 43452), (1020, 41961), (1065, 40188), (1182, 36210), (1207, 35460), (1278, 33490), (1420, 30141), (1530, 27974), (1773, 24140), (1970, 21726), (2130, 20094), (2364, 18105), (2414, 17730), (2556, 16745), (2955, 14484), (3060, 13987), (3195, 13396), (3349, 12780), (3546, 12070), (3621, 11820), (3940, 10863), (4260, 10047), (4828, 8865), (5910, 7242), (6035, 7092), (6390, 6698)]