648406980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{277097}}^1$

素因数の和:277125

約数の個数: 72

約数和(自身を含む): 2118137112

約数和(自身を除く): 1469730132

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 277097, 554194, 831291, 1108388, 1385485, 1662582, 2493873, 2770970, 3325164, 3602261, 4156455, 4987746, 5541940, 7204522, 8312910, 9975492, 10806783, 12469365, 14409044, 16625820, 18011305, 21613566, 24938730, 32420349, 36022610, 43227132, 49877460, 54033915, 64840698, 72045220, 108067830, 129681396, 162101745, 216135660, 324203490, 648406980]

約数ペア:

[(1, 648406980), (2, 324203490), (3, 216135660), (4, 162101745), (5, 129681396), (6, 108067830), (9, 72045220), (10, 64840698), (12, 54033915), (13, 49877460), (15, 43227132), (18, 36022610), (20, 32420349), (26, 24938730), (30, 21613566), (36, 18011305), (39, 16625820), (45, 14409044), (52, 12469365), (60, 10806783), (65, 9975492), (78, 8312910), (90, 7204522), (117, 5541940), (130, 4987746), (156, 4156455), (180, 3602261), (195, 3325164), (234, 2770970), (260, 2493873), (390, 1662582), (468, 1385485), (585, 1108388), (780, 831291), (1170, 554194), (2340, 277097)]