272120480

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{661}}^1$

素因数の和:790

約数の個数: 96

約数和(自身を含む): 672634368

約数和(自身を除く): 400513888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 83, 124, 155, 160, 166, 248, 310, 332, 415, 496, 620, 661, 664, 830, 992, 1240, 1322, 1328, 1660, 2480, 2573, 2644, 2656, 3305, 3320, 4960, 5146, 5288, 6610, 6640, 10292, 10576, 12865, 13220, 13280, 20491, 20584, 21152, 25730, 26440, 40982, 41168, 51460, 52880, 54863, 81964, 82336, 102455, 102920, 105760, 109726, 163928, 204910, 205840, 219452, 274315, 327856, 409820, 411680, 438904, 548630, 655712, 819640, 877808, 1097260, 1639280, 1700753, 1755616, 2194520, 3278560, 3401506, 4389040, 6803012, 8503765, 8778080, 13606024, 17007530, 27212048, 34015060, 54424096, 68030120, 136060240, 272120480]

約数ペア:

[(1, 272120480), (2, 136060240), (4, 68030120), (5, 54424096), (8, 34015060), (10, 27212048), (16, 17007530), (20, 13606024), (31, 8778080), (32, 8503765), (40, 6803012), (62, 4389040), (80, 3401506), (83, 3278560), (124, 2194520), (155, 1755616), (160, 1700753), (166, 1639280), (248, 1097260), (310, 877808), (332, 819640), (415, 655712), (496, 548630), (620, 438904), (661, 411680), (664, 409820), (830, 327856), (992, 274315), (1240, 219452), (1322, 205840), (1328, 204910), (1660, 163928), (2480, 109726), (2573, 105760), (2644, 102920), (2656, 102455), (3305, 82336), (3320, 81964), (4960, 54863), (5146, 52880), (5288, 51460), (6610, 41168), (6640, 40982), (10292, 26440), (10576, 25730), (12865, 21152), (13220, 20584), (13280, 20491)]