172913580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3709}}^1$

素因数の和:3768

約数の個数: 144

約数和(自身を含む): 615800640

約数和(自身を除く): 442887060

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 37, 42, 45, 60, 63, 70, 74, 84, 90, 105, 111, 126, 140, 148, 180, 185, 210, 222, 252, 259, 315, 333, 370, 420, 444, 518, 555, 630, 666, 740, 777, 1036, 1110, 1260, 1295, 1332, 1554, 1665, 2220, 2331, 2590, 3108, 3330, 3709, 3885, 4662, 5180, 6660, 7418, 7770, 9324, 11127, 11655, 14836, 15540, 18545, 22254, 23310, 25963, 33381, 37090, 44508, 46620, 51926, 55635, 66762, 74180, 77889, 103852, 111270, 129815, 133524, 137233, 155778, 166905, 222540, 233667, 259630, 274466, 311556, 333810, 389445, 411699, 467334, 519260, 548932, 667620, 686165, 778890, 823398, 934668, 960631, 1168335, 1235097, 1372330, 1557780, 1646796, 1921262, 2058495, 2336670, 2470194, 2744660, 2881893, 3842524, 4116990, 4673340, 4803155, 4940388, 5763786, 6175485, 8233980, 8645679, 9606310, 11527572, 12350970, 14409465, 17291358, 19212620, 24701940, 28818930, 34582716, 43228395, 57637860, 86456790, 172913580]

約数ペア:

[(1, 172913580), (2, 86456790), (3, 57637860), (4, 43228395), (5, 34582716), (6, 28818930), (7, 24701940), (9, 19212620), (10, 17291358), (12, 14409465), (14, 12350970), (15, 11527572), (18, 9606310), (20, 8645679), (21, 8233980), (28, 6175485), (30, 5763786), (35, 4940388), (36, 4803155), (37, 4673340), (42, 4116990), (45, 3842524), (60, 2881893), (63, 2744660), (70, 2470194), (74, 2336670), (84, 2058495), (90, 1921262), (105, 1646796), (111, 1557780), (126, 1372330), (140, 1235097), (148, 1168335), (180, 960631), (185, 934668), (210, 823398), (222, 778890), (252, 686165), (259, 667620), (315, 548932), (333, 519260), (370, 467334), (420, 411699), (444, 389445), (518, 333810), (555, 311556), (630, 274466), (666, 259630), (740, 233667), (777, 222540), (1036, 166905), (1110, 155778), (1260, 137233), (1295, 133524), (1332, 129815), (1554, 111270), (1665, 103852), (2220, 77889), (2331, 74180), (2590, 66762), (3108, 55635), (3330, 51926), (3709, 46620), (3885, 44508), (4662, 37090), (5180, 33381), (6660, 25963), (7418, 23310), (7770, 22254), (9324, 18545), (11127, 15540), (11655, 14836)]