172211220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{6421}}^1$

素因数の和:6585

約数の個数: 72

約数和(自身を含む): 525961800

約数和(自身を除く): 353750580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 149, 180, 298, 447, 596, 745, 894, 1341, 1490, 1788, 2235, 2682, 2980, 4470, 5364, 6421, 6705, 8940, 12842, 13410, 19263, 25684, 26820, 32105, 38526, 57789, 64210, 77052, 96315, 115578, 128420, 192630, 231156, 288945, 385260, 577890, 956729, 1155780, 1913458, 2870187, 3826916, 4783645, 5740374, 8610561, 9567290, 11480748, 14350935, 17221122, 19134580, 28701870, 34442244, 43052805, 57403740, 86105610, 172211220]

約数ペア:

[(1, 172211220), (2, 86105610), (3, 57403740), (4, 43052805), (5, 34442244), (6, 28701870), (9, 19134580), (10, 17221122), (12, 14350935), (15, 11480748), (18, 9567290), (20, 8610561), (30, 5740374), (36, 4783645), (45, 3826916), (60, 2870187), (90, 1913458), (149, 1155780), (180, 956729), (298, 577890), (447, 385260), (596, 288945), (745, 231156), (894, 192630), (1341, 128420), (1490, 115578), (1788, 96315), (2235, 77052), (2682, 64210), (2980, 57789), (4470, 38526), (5364, 32105), (6421, 26820), (6705, 25684), (8940, 19263), (12842, 13410)]