254549340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{239}}^1$

素因数の和:412

約数の個数: 144

約数和(自身を含む): 796199040

約数和(自身を除く): 541649700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 97, 122, 180, 183, 194, 239, 244, 291, 305, 366, 388, 478, 485, 549, 582, 610, 717, 732, 873, 915, 956, 970, 1098, 1164, 1195, 1220, 1434, 1455, 1746, 1830, 1940, 2151, 2196, 2390, 2745, 2868, 2910, 3492, 3585, 3660, 4302, 4365, 4780, 5490, 5820, 5917, 7170, 8604, 8730, 10755, 10980, 11834, 14340, 14579, 17460, 17751, 21510, 23183, 23668, 29158, 29585, 35502, 43020, 43737, 46366, 53253, 58316, 59170, 69549, 71004, 72895, 87474, 88755, 92732, 106506, 115915, 118340, 131211, 139098, 145790, 174948, 177510, 208647, 213012, 218685, 231830, 262422, 266265, 278196, 291580, 347745, 355020, 417294, 437370, 463660, 524844, 532530, 656055, 695490, 834588, 874740, 1043235, 1065060, 1312110, 1390980, 1414163, 2086470, 2624220, 2828326, 4172940, 4242489, 5656652, 7070815, 8484978, 12727467, 14141630, 16969956, 21212445, 25454934, 28283260, 42424890, 50909868, 63637335, 84849780, 127274670, 254549340]

約数ペア:

[(1, 254549340), (2, 127274670), (3, 84849780), (4, 63637335), (5, 50909868), (6, 42424890), (9, 28283260), (10, 25454934), (12, 21212445), (15, 16969956), (18, 14141630), (20, 12727467), (30, 8484978), (36, 7070815), (45, 5656652), (60, 4242489), (61, 4172940), (90, 2828326), (97, 2624220), (122, 2086470), (180, 1414163), (183, 1390980), (194, 1312110), (239, 1065060), (244, 1043235), (291, 874740), (305, 834588), (366, 695490), (388, 656055), (478, 532530), (485, 524844), (549, 463660), (582, 437370), (610, 417294), (717, 355020), (732, 347745), (873, 291580), (915, 278196), (956, 266265), (970, 262422), (1098, 231830), (1164, 218685), (1195, 213012), (1220, 208647), (1434, 177510), (1455, 174948), (1746, 145790), (1830, 139098), (1940, 131211), (2151, 118340), (2196, 115915), (2390, 106506), (2745, 92732), (2868, 88755), (2910, 87474), (3492, 72895), (3585, 71004), (3660, 69549), (4302, 59170), (4365, 58316), (4780, 53253), (5490, 46366), (5820, 43737), (5917, 43020), (7170, 35502), (8604, 29585), (8730, 29158), (10755, 23668), (10980, 23183), (11834, 21510), (14340, 17751), (14579, 17460)]