7447020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{149}}^1$

素因数の和:192

約数の個数: 144

約数和(自身を含む): 25855200

約数和(自身を除く): 18408180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 49, 51, 60, 68, 70, 84, 85, 98, 102, 105, 119, 140, 147, 149, 170, 196, 204, 210, 238, 245, 255, 294, 298, 340, 357, 420, 447, 476, 490, 510, 588, 595, 596, 714, 735, 745, 833, 894, 980, 1020, 1043, 1190, 1428, 1470, 1490, 1666, 1785, 1788, 2086, 2235, 2380, 2499, 2533, 2940, 2980, 3129, 3332, 3570, 4165, 4172, 4470, 4998, 5066, 5215, 6258, 7140, 7301, 7599, 8330, 8940, 9996, 10132, 10430, 12495, 12516, 12665, 14602, 15198, 15645, 16660, 17731, 20860, 21903, 24990, 25330, 29204, 30396, 31290, 35462, 36505, 37995, 43806, 49980, 50660, 53193, 62580, 70924, 73010, 75990, 87612, 88655, 106386, 109515, 124117, 146020, 151980, 177310, 212772, 219030, 248234, 265965, 354620, 372351, 438060, 496468, 531930, 620585, 744702, 1063860, 1241170, 1489404, 1861755, 2482340, 3723510, 7447020]

約数ペア:

[(1, 7447020), (2, 3723510), (3, 2482340), (4, 1861755), (5, 1489404), (6, 1241170), (7, 1063860), (10, 744702), (12, 620585), (14, 531930), (15, 496468), (17, 438060), (20, 372351), (21, 354620), (28, 265965), (30, 248234), (34, 219030), (35, 212772), (42, 177310), (49, 151980), (51, 146020), (60, 124117), (68, 109515), (70, 106386), (84, 88655), (85, 87612), (98, 75990), (102, 73010), (105, 70924), (119, 62580), (140, 53193), (147, 50660), (149, 49980), (170, 43806), (196, 37995), (204, 36505), (210, 35462), (238, 31290), (245, 30396), (255, 29204), (294, 25330), (298, 24990), (340, 21903), (357, 20860), (420, 17731), (447, 16660), (476, 15645), (490, 15198), (510, 14602), (588, 12665), (595, 12516), (596, 12495), (714, 10430), (735, 10132), (745, 9996), (833, 8940), (894, 8330), (980, 7599), (1020, 7301), (1043, 7140), (1190, 6258), (1428, 5215), (1470, 5066), (1490, 4998), (1666, 4470), (1785, 4172), (1788, 4165), (2086, 3570), (2235, 3332), (2380, 3129), (2499, 2980), (2533, 2940)]