131566920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:327

約数の個数: 128

約数和(自身を含む): 406425600

約数和(自身を除く): 274858680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 89, 97, 120, 127, 178, 194, 254, 267, 291, 356, 381, 388, 445, 485, 508, 534, 582, 635, 712, 762, 776, 890, 970, 1016, 1068, 1164, 1270, 1335, 1455, 1524, 1780, 1905, 1940, 2136, 2328, 2540, 2670, 2910, 3048, 3560, 3810, 3880, 5080, 5340, 5820, 7620, 8633, 10680, 11303, 11640, 12319, 15240, 17266, 22606, 24638, 25899, 33909, 34532, 36957, 43165, 45212, 49276, 51798, 56515, 61595, 67818, 69064, 73914, 86330, 90424, 98552, 103596, 113030, 123190, 129495, 135636, 147828, 169545, 172660, 184785, 207192, 226060, 246380, 258990, 271272, 295656, 339090, 345320, 369570, 452120, 492760, 517980, 678180, 739140, 1035960, 1096391, 1356360, 1478280, 2192782, 3289173, 4385564, 5481955, 6578346, 8771128, 10963910, 13156692, 16445865, 21927820, 26313384, 32891730, 43855640, 65783460, 131566920]

約数ペア:

[(1, 131566920), (2, 65783460), (3, 43855640), (4, 32891730), (5, 26313384), (6, 21927820), (8, 16445865), (10, 13156692), (12, 10963910), (15, 8771128), (20, 6578346), (24, 5481955), (30, 4385564), (40, 3289173), (60, 2192782), (89, 1478280), (97, 1356360), (120, 1096391), (127, 1035960), (178, 739140), (194, 678180), (254, 517980), (267, 492760), (291, 452120), (356, 369570), (381, 345320), (388, 339090), (445, 295656), (485, 271272), (508, 258990), (534, 246380), (582, 226060), (635, 207192), (712, 184785), (762, 172660), (776, 169545), (890, 147828), (970, 135636), (1016, 129495), (1068, 123190), (1164, 113030), (1270, 103596), (1335, 98552), (1455, 90424), (1524, 86330), (1780, 73914), (1905, 69064), (1940, 67818), (2136, 61595), (2328, 56515), (2540, 51798), (2670, 49276), (2910, 45212), (3048, 43165), (3560, 36957), (3810, 34532), (3880, 33909), (5080, 25899), (5340, 24638), (5820, 22606), (7620, 17266), (8633, 15240), (10680, 12319), (11303, 11640)]