216921960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1549}}^1$

素因数の和:1955

約数の個数: 96

約数和(自身を含む): 707265000

約数和(自身を除く): 490343040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 389, 778, 1167, 1549, 1556, 1945, 2334, 3098, 3112, 3501, 3890, 4647, 4668, 5835, 6196, 7002, 7745, 7780, 9294, 9336, 11670, 12392, 13941, 14004, 15490, 15560, 17505, 18588, 23235, 23340, 27882, 28008, 30980, 35010, 37176, 46470, 46680, 55764, 61960, 69705, 70020, 92940, 111528, 139410, 140040, 185880, 278820, 557640, 602561, 1205122, 1807683, 2410244, 3012805, 3615366, 4820488, 5423049, 6025610, 7230732, 9038415, 10846098, 12051220, 14461464, 18076830, 21692196, 24102440, 27115245, 36153660, 43384392, 54230490, 72307320, 108460980, 216921960]

約数ペア:

[(1, 216921960), (2, 108460980), (3, 72307320), (4, 54230490), (5, 43384392), (6, 36153660), (8, 27115245), (9, 24102440), (10, 21692196), (12, 18076830), (15, 14461464), (18, 12051220), (20, 10846098), (24, 9038415), (30, 7230732), (36, 6025610), (40, 5423049), (45, 4820488), (60, 3615366), (72, 3012805), (90, 2410244), (120, 1807683), (180, 1205122), (360, 602561), (389, 557640), (778, 278820), (1167, 185880), (1549, 140040), (1556, 139410), (1945, 111528), (2334, 92940), (3098, 70020), (3112, 69705), (3501, 61960), (3890, 55764), (4647, 46680), (4668, 46470), (5835, 37176), (6196, 35010), (7002, 30980), (7745, 28008), (7780, 27882), (9294, 23340), (9336, 23235), (11670, 18588), (12392, 17505), (13941, 15560), (14004, 15490)]