199125180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{15581}}^1$

素因数の和:15667

約数の個数: 72

約数和(自身を含む): 612559584

約数和(自身を除く): 413434404

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 6390, 12780, 15581, 31162, 46743, 62324, 77905, 93486, 140229, 155810, 186972, 233715, 280458, 311620, 467430, 560916, 701145, 934860, 1106251, 1402290, 2212502, 2804580, 3318753, 4425004, 5531255, 6637506, 9956259, 11062510, 13275012, 16593765, 19912518, 22125020, 33187530, 39825036, 49781295, 66375060, 99562590, 199125180]

約数ペア:

[(1, 199125180), (2, 99562590), (3, 66375060), (4, 49781295), (5, 39825036), (6, 33187530), (9, 22125020), (10, 19912518), (12, 16593765), (15, 13275012), (18, 11062510), (20, 9956259), (30, 6637506), (36, 5531255), (45, 4425004), (60, 3318753), (71, 2804580), (90, 2212502), (142, 1402290), (180, 1106251), (213, 934860), (284, 701145), (355, 560916), (426, 467430), (639, 311620), (710, 280458), (852, 233715), (1065, 186972), (1278, 155810), (1420, 140229), (2130, 93486), (2556, 77905), (3195, 62324), (4260, 46743), (6390, 31162), (12780, 15581)]