388288680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{248903}}^1$

素因数の和:248930

約数の個数: 64

約数和(自身を含む): 1254476160

約数和(自身を除く): 866187480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 248903, 497806, 746709, 995612, 1244515, 1493418, 1991224, 2489030, 2986836, 3235739, 3733545, 4978060, 5973672, 6471478, 7467090, 9707217, 9956120, 12942956, 14934180, 16178695, 19414434, 25885912, 29868360, 32357390, 38828868, 48536085, 64714780, 77657736, 97072170, 129429560, 194144340, 388288680]

約数ペア:

[(1, 388288680), (2, 194144340), (3, 129429560), (4, 97072170), (5, 77657736), (6, 64714780), (8, 48536085), (10, 38828868), (12, 32357390), (13, 29868360), (15, 25885912), (20, 19414434), (24, 16178695), (26, 14934180), (30, 12942956), (39, 9956120), (40, 9707217), (52, 7467090), (60, 6471478), (65, 5973672), (78, 4978060), (104, 3733545), (120, 3235739), (130, 2986836), (156, 2489030), (195, 1991224), (260, 1493418), (312, 1244515), (390, 995612), (520, 746709), (780, 497806), (1560, 248903)]