61257420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{797}}^1$

素因数の和:880

約数の個数: 144

約数和(自身を含む): 216111168

約数和(自身を除く): 154853748

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 61, 63, 70, 84, 90, 105, 122, 126, 140, 180, 183, 210, 244, 252, 305, 315, 366, 420, 427, 549, 610, 630, 732, 797, 854, 915, 1098, 1220, 1260, 1281, 1594, 1708, 1830, 2135, 2196, 2391, 2562, 2745, 3188, 3660, 3843, 3985, 4270, 4782, 5124, 5490, 5579, 6405, 7173, 7686, 7970, 8540, 9564, 10980, 11158, 11955, 12810, 14346, 15372, 15940, 16737, 19215, 22316, 23910, 25620, 27895, 28692, 33474, 35865, 38430, 47820, 48617, 50211, 55790, 66948, 71730, 76860, 83685, 97234, 100422, 111580, 143460, 145851, 167370, 194468, 200844, 243085, 251055, 291702, 334740, 340319, 437553, 486170, 502110, 583404, 680638, 729255, 875106, 972340, 1004220, 1020957, 1361276, 1458510, 1701595, 1750212, 2041914, 2187765, 2917020, 3062871, 3403190, 4083828, 4375530, 5104785, 6125742, 6806380, 8751060, 10209570, 12251484, 15314355, 20419140, 30628710, 61257420]

約数ペア:

[(1, 61257420), (2, 30628710), (3, 20419140), (4, 15314355), (5, 12251484), (6, 10209570), (7, 8751060), (9, 6806380), (10, 6125742), (12, 5104785), (14, 4375530), (15, 4083828), (18, 3403190), (20, 3062871), (21, 2917020), (28, 2187765), (30, 2041914), (35, 1750212), (36, 1701595), (42, 1458510), (45, 1361276), (60, 1020957), (61, 1004220), (63, 972340), (70, 875106), (84, 729255), (90, 680638), (105, 583404), (122, 502110), (126, 486170), (140, 437553), (180, 340319), (183, 334740), (210, 291702), (244, 251055), (252, 243085), (305, 200844), (315, 194468), (366, 167370), (420, 145851), (427, 143460), (549, 111580), (610, 100422), (630, 97234), (732, 83685), (797, 76860), (854, 71730), (915, 66948), (1098, 55790), (1220, 50211), (1260, 48617), (1281, 47820), (1594, 38430), (1708, 35865), (1830, 33474), (2135, 28692), (2196, 27895), (2391, 25620), (2562, 23910), (2745, 22316), (3188, 19215), (3660, 16737), (3843, 15940), (3985, 15372), (4270, 14346), (4782, 12810), (5124, 11955), (5490, 11158), (5579, 10980), (6405, 9564), (7173, 8540), (7686, 7970)]