151620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^2$

素因数の和:57

約数の個数: 72

約数和(自身を含む): 512064

約数和(自身を除く): 360444

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 361, 380, 399, 420, 532, 570, 665, 722, 798, 1083, 1140, 1330, 1444, 1596, 1805, 1995, 2166, 2527, 2660, 3610, 3990, 4332, 5054, 5415, 7220, 7581, 7980, 10108, 10830, 12635, 15162, 21660, 25270, 30324, 37905, 50540, 75810, 151620]

約数ペア:

[(1, 151620), (2, 75810), (3, 50540), (4, 37905), (5, 30324), (6, 25270), (7, 21660), (10, 15162), (12, 12635), (14, 10830), (15, 10108), (19, 7980), (20, 7581), (21, 7220), (28, 5415), (30, 5054), (35, 4332), (38, 3990), (42, 3610), (57, 2660), (60, 2527), (70, 2166), (76, 1995), (84, 1805), (95, 1596), (105, 1444), (114, 1330), (133, 1140), (140, 1083), (190, 798), (210, 722), (228, 665), (266, 570), (285, 532), (361, 420), (380, 399)]