56142540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:300

約数の個数: 144

約数和(自身を含む): 181149696

約数和(自身を除く): 125007156

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 71, 90, 92, 115, 138, 142, 180, 191, 207, 213, 230, 276, 284, 345, 355, 382, 414, 426, 460, 573, 639, 690, 710, 764, 828, 852, 955, 1035, 1065, 1146, 1278, 1380, 1420, 1633, 1719, 1910, 2070, 2130, 2292, 2556, 2865, 3195, 3266, 3438, 3820, 4140, 4260, 4393, 4899, 5730, 6390, 6532, 6876, 8165, 8595, 8786, 9798, 11460, 12780, 13179, 13561, 14697, 16330, 17190, 17572, 19596, 21965, 24495, 26358, 27122, 29394, 32660, 34380, 39537, 40683, 43930, 48990, 52716, 54244, 58788, 65895, 67805, 73485, 79074, 81366, 87860, 97980, 122049, 131790, 135610, 146970, 158148, 162732, 197685, 203415, 244098, 263580, 271220, 293940, 311903, 395370, 406830, 488196, 610245, 623806, 790740, 813660, 935709, 1220490, 1247612, 1559515, 1871418, 2440980, 2807127, 3119030, 3742836, 4678545, 5614254, 6238060, 9357090, 11228508, 14035635, 18714180, 28071270, 56142540]

約数ペア:

[(1, 56142540), (2, 28071270), (3, 18714180), (4, 14035635), (5, 11228508), (6, 9357090), (9, 6238060), (10, 5614254), (12, 4678545), (15, 3742836), (18, 3119030), (20, 2807127), (23, 2440980), (30, 1871418), (36, 1559515), (45, 1247612), (46, 1220490), (60, 935709), (69, 813660), (71, 790740), (90, 623806), (92, 610245), (115, 488196), (138, 406830), (142, 395370), (180, 311903), (191, 293940), (207, 271220), (213, 263580), (230, 244098), (276, 203415), (284, 197685), (345, 162732), (355, 158148), (382, 146970), (414, 135610), (426, 131790), (460, 122049), (573, 97980), (639, 87860), (690, 81366), (710, 79074), (764, 73485), (828, 67805), (852, 65895), (955, 58788), (1035, 54244), (1065, 52716), (1146, 48990), (1278, 43930), (1380, 40683), (1420, 39537), (1633, 34380), (1719, 32660), (1910, 29394), (2070, 27122), (2130, 26358), (2292, 24495), (2556, 21965), (2865, 19596), (3195, 17572), (3266, 17190), (3438, 16330), (3820, 14697), (4140, 13561), (4260, 13179), (4393, 12780), (4899, 11460), (5730, 9798), (6390, 8786), (6532, 8595), (6876, 8165)]