209440920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{134257}}^1$

素因数の和:134284

約数の個数: 64

約数和(自身を含む): 676660320

約数和(自身を除く): 467219400

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, 134257, 268514, 402771, 537028, 671285, 805542, 1074056, 1342570, 1611084, 1745341, 2013855, 2685140, 3222168, 3490682, 4027710, 5236023, 5370280, 6981364, 8055420, 8726705, 10472046, 13962728, 16110840, 17453410, 20944092, 26180115, 34906820, 41888184, 52360230, 69813640, 104720460, 209440920]

約数ペア:

[(1, 209440920), (2, 104720460), (3, 69813640), (4, 52360230), (5, 41888184), (6, 34906820), (8, 26180115), (10, 20944092), (12, 17453410), (13, 16110840), (15, 13962728), (20, 10472046), (24, 8726705), (26, 8055420), (30, 6981364), (39, 5370280), (40, 5236023), (52, 4027710), (60, 3490682), (65, 3222168), (78, 2685140), (104, 2013855), (120, 1745341), (130, 1611084), (156, 1342570), (195, 1074056), (260, 805542), (312, 671285), (390, 537028), (520, 402771), (780, 268514), (1560, 134257)]