66127880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{491}}^1$

素因数の和:559

約数の個数: 128

約数和(自身を含む): 188455680

約数和(自身を除く): 122327800

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 37, 40, 52, 56, 65, 70, 74, 91, 104, 130, 140, 148, 182, 185, 259, 260, 280, 296, 364, 370, 455, 481, 491, 518, 520, 728, 740, 910, 962, 982, 1036, 1295, 1480, 1820, 1924, 1964, 2072, 2405, 2455, 2590, 3367, 3437, 3640, 3848, 3928, 4810, 4910, 5180, 6383, 6734, 6874, 9620, 9820, 10360, 12766, 13468, 13748, 16835, 17185, 18167, 19240, 19640, 25532, 26936, 27496, 31915, 33670, 34370, 36334, 44681, 51064, 63830, 67340, 68740, 72668, 89362, 90835, 127169, 127660, 134680, 137480, 145336, 178724, 181670, 223405, 236171, 254338, 255320, 357448, 363340, 446810, 472342, 508676, 635845, 726680, 893620, 944684, 1017352, 1180855, 1271690, 1653197, 1787240, 1889368, 2361710, 2543380, 3306394, 4723420, 5086760, 6612788, 8265985, 9446840, 13225576, 16531970, 33063940, 66127880]

約数ペア:

[(1, 66127880), (2, 33063940), (4, 16531970), (5, 13225576), (7, 9446840), (8, 8265985), (10, 6612788), (13, 5086760), (14, 4723420), (20, 3306394), (26, 2543380), (28, 2361710), (35, 1889368), (37, 1787240), (40, 1653197), (52, 1271690), (56, 1180855), (65, 1017352), (70, 944684), (74, 893620), (91, 726680), (104, 635845), (130, 508676), (140, 472342), (148, 446810), (182, 363340), (185, 357448), (259, 255320), (260, 254338), (280, 236171), (296, 223405), (364, 181670), (370, 178724), (455, 145336), (481, 137480), (491, 134680), (518, 127660), (520, 127169), (728, 90835), (740, 89362), (910, 72668), (962, 68740), (982, 67340), (1036, 63830), (1295, 51064), (1480, 44681), (1820, 36334), (1924, 34370), (1964, 33670), (2072, 31915), (2405, 27496), (2455, 26936), (2590, 25532), (3367, 19640), (3437, 19240), (3640, 18167), (3848, 17185), (3928, 16835), (4810, 13748), (4910, 13468), (5180, 12766), (6383, 10360), (6734, 9820), (6874, 9620)]