151980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1$

素因数の和:178

約数の個数: 48

約数和(自身を含む): 453600

約数和(自身を除く): 301620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 149, 170, 204, 255, 298, 340, 447, 510, 596, 745, 894, 1020, 1490, 1788, 2235, 2533, 2980, 4470, 5066, 7599, 8940, 10132, 12665, 15198, 25330, 30396, 37995, 50660, 75990, 151980]

約数ペア:

[(1, 151980), (2, 75990), (3, 50660), (4, 37995), (5, 30396), (6, 25330), (10, 15198), (12, 12665), (15, 10132), (17, 8940), (20, 7599), (30, 5066), (34, 4470), (51, 2980), (60, 2533), (68, 2235), (85, 1788), (102, 1490), (149, 1020), (170, 894), (204, 745), (255, 596), (298, 510), (340, 447)]