65701980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:236

約数の個数: 144

約数和(自身を含む): 208039104

約数和(自身を除く): 142337124

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 60, 71, 90, 97, 106, 142, 159, 180, 194, 212, 213, 265, 284, 291, 318, 355, 388, 426, 477, 485, 530, 582, 636, 639, 710, 795, 852, 873, 954, 970, 1060, 1065, 1164, 1278, 1420, 1455, 1590, 1746, 1908, 1940, 2130, 2385, 2556, 2910, 3180, 3195, 3492, 3763, 4260, 4365, 4770, 5141, 5820, 6390, 6887, 7526, 8730, 9540, 10282, 11289, 12780, 13774, 15052, 15423, 17460, 18815, 20564, 20661, 22578, 25705, 27548, 30846, 33867, 34435, 37630, 41322, 45156, 46269, 51410, 56445, 61692, 61983, 67734, 68870, 75260, 77115, 82644, 92538, 102820, 103305, 112890, 123966, 135468, 137740, 154230, 169335, 185076, 206610, 225780, 231345, 247932, 308460, 309915, 338670, 365011, 413220, 462690, 619830, 677340, 730022, 925380, 1095033, 1239660, 1460044, 1825055, 2190066, 3285099, 3650110, 4380132, 5475165, 6570198, 7300220, 10950330, 13140396, 16425495, 21900660, 32850990, 65701980]

約数ペア:

[(1, 65701980), (2, 32850990), (3, 21900660), (4, 16425495), (5, 13140396), (6, 10950330), (9, 7300220), (10, 6570198), (12, 5475165), (15, 4380132), (18, 3650110), (20, 3285099), (30, 2190066), (36, 1825055), (45, 1460044), (53, 1239660), (60, 1095033), (71, 925380), (90, 730022), (97, 677340), (106, 619830), (142, 462690), (159, 413220), (180, 365011), (194, 338670), (212, 309915), (213, 308460), (265, 247932), (284, 231345), (291, 225780), (318, 206610), (355, 185076), (388, 169335), (426, 154230), (477, 137740), (485, 135468), (530, 123966), (582, 112890), (636, 103305), (639, 102820), (710, 92538), (795, 82644), (852, 77115), (873, 75260), (954, 68870), (970, 67734), (1060, 61983), (1065, 61692), (1164, 56445), (1278, 51410), (1420, 46269), (1455, 45156), (1590, 41322), (1746, 37630), (1908, 34435), (1940, 33867), (2130, 30846), (2385, 27548), (2556, 25705), (2910, 22578), (3180, 20661), (3195, 20564), (3492, 18815), (3763, 17460), (4260, 15423), (4365, 15052), (4770, 13774), (5141, 12780), (5820, 11289), (6390, 10282), (6887, 9540), (7526, 8730)]