7521990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1$

素因数の和:91

約数の個数: 128

約数和(自身を含む): 22809600

約数和(自身を除く): 15287610

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 30, 34, 35, 42, 43, 49, 51, 70, 85, 86, 98, 102, 105, 119, 129, 147, 170, 210, 215, 238, 245, 255, 258, 294, 301, 343, 357, 430, 490, 510, 595, 602, 645, 686, 714, 731, 735, 833, 903, 1029, 1190, 1290, 1462, 1470, 1505, 1666, 1715, 1785, 1806, 2058, 2107, 2193, 2499, 3010, 3430, 3570, 3655, 4165, 4214, 4386, 4515, 4998, 5117, 5145, 5831, 6321, 7310, 8330, 9030, 10234, 10290, 10535, 10965, 11662, 12495, 12642, 14749, 15351, 17493, 21070, 21930, 24990, 25585, 29155, 29498, 30702, 31605, 34986, 35819, 44247, 51170, 58310, 63210, 71638, 73745, 76755, 87465, 88494, 107457, 147490, 153510, 174930, 179095, 214914, 221235, 250733, 358190, 442470, 501466, 537285, 752199, 1074570, 1253665, 1504398, 2507330, 3760995, 7521990]

約数ペア:

[(1, 7521990), (2, 3760995), (3, 2507330), (5, 1504398), (6, 1253665), (7, 1074570), (10, 752199), (14, 537285), (15, 501466), (17, 442470), (21, 358190), (30, 250733), (34, 221235), (35, 214914), (42, 179095), (43, 174930), (49, 153510), (51, 147490), (70, 107457), (85, 88494), (86, 87465), (98, 76755), (102, 73745), (105, 71638), (119, 63210), (129, 58310), (147, 51170), (170, 44247), (210, 35819), (215, 34986), (238, 31605), (245, 30702), (255, 29498), (258, 29155), (294, 25585), (301, 24990), (343, 21930), (357, 21070), (430, 17493), (490, 15351), (510, 14749), (595, 12642), (602, 12495), (645, 11662), (686, 10965), (714, 10535), (731, 10290), (735, 10234), (833, 9030), (903, 8330), (1029, 7310), (1190, 6321), (1290, 5831), (1462, 5145), (1470, 5117), (1505, 4998), (1666, 4515), (1715, 4386), (1785, 4214), (1806, 4165), (2058, 3655), (2107, 3570), (2193, 3430), (2499, 3010)]