81934020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{65027}}^1$

素因数の和:65049

約数の個数: 72

約数和(自身を含む): 284042304

約数和(自身を除く): 202108284

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 65027, 130054, 195081, 260108, 325135, 390162, 455189, 585243, 650270, 780324, 910378, 975405, 1170486, 1300540, 1365567, 1820756, 1950810, 2275945, 2340972, 2731134, 2926215, 3901620, 4096701, 4551890, 5462268, 5852430, 6827835, 8193402, 9103780, 11704860, 13655670, 16386804, 20483505, 27311340, 40967010, 81934020]

約数ペア:

[(1, 81934020), (2, 40967010), (3, 27311340), (4, 20483505), (5, 16386804), (6, 13655670), (7, 11704860), (9, 9103780), (10, 8193402), (12, 6827835), (14, 5852430), (15, 5462268), (18, 4551890), (20, 4096701), (21, 3901620), (28, 2926215), (30, 2731134), (35, 2340972), (36, 2275945), (42, 1950810), (45, 1820756), (60, 1365567), (63, 1300540), (70, 1170486), (84, 975405), (90, 910378), (105, 780324), (126, 650270), (140, 585243), (180, 455189), (210, 390162), (252, 325135), (315, 260108), (420, 195081), (630, 130054), (1260, 65027)]