1688045480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{123757}}^1$

素因数の和:123810

約数の個数: 64

約数和(自身を含む): 4277076480

約数和(自身を除く): 2589031000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 1240, 1364, 1705, 2728, 3410, 6820, 13640, 123757, 247514, 495028, 618785, 990056, 1237570, 1361327, 2475140, 2722654, 3836467, 4950280, 5445308, 6806635, 7672934, 10890616, 13613270, 15345868, 19182335, 27226540, 30691736, 38364670, 42201137, 54453080, 76729340, 84402274, 153458680, 168804548, 211005685, 337609096, 422011370, 844022740, 1688045480]

約数ペア:

[(1, 1688045480), (2, 844022740), (4, 422011370), (5, 337609096), (8, 211005685), (10, 168804548), (11, 153458680), (20, 84402274), (22, 76729340), (31, 54453080), (40, 42201137), (44, 38364670), (55, 30691736), (62, 27226540), (88, 19182335), (110, 15345868), (124, 13613270), (155, 10890616), (220, 7672934), (248, 6806635), (310, 5445308), (341, 4950280), (440, 3836467), (620, 2722654), (682, 2475140), (1240, 1361327), (1364, 1237570), (1705, 990056), (2728, 618785), (3410, 495028), (6820, 247514), (13640, 123757)]