455940

素因数分解:

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

素因数の和:181

約数の個数: 72

約数和(自身を含む): 1474200

約数和(自身を除く): 1018260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 149, 153, 170, 180, 204, 255, 298, 306, 340, 447, 510, 596, 612, 745, 765, 894, 1020, 1341, 1490, 1530, 1788, 2235, 2533, 2682, 2980, 3060, 4470, 5066, 5364, 6705, 7599, 8940, 10132, 12665, 13410, 15198, 22797, 25330, 26820, 30396, 37995, 45594, 50660, 75990, 91188, 113985, 151980, 227970, 455940]

約数ペア:

[(1, 455940), (2, 227970), (3, 151980), (4, 113985), (5, 91188), (6, 75990), (9, 50660), (10, 45594), (12, 37995), (15, 30396), (17, 26820), (18, 25330), (20, 22797), (30, 15198), (34, 13410), (36, 12665), (45, 10132), (51, 8940), (60, 7599), (68, 6705), (85, 5364), (90, 5066), (102, 4470), (149, 3060), (153, 2980), (170, 2682), (180, 2533), (204, 2235), (255, 1788), (298, 1530), (306, 1490), (340, 1341), (447, 1020), (510, 894), (596, 765), (612, 745)]