7664940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{439}}^1$

素因数の和:551

約数の個数: 72

約数和(自身を含む): 23543520

約数和(自身を除く): 15878580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 97, 180, 194, 291, 388, 439, 485, 582, 873, 878, 970, 1164, 1317, 1455, 1746, 1756, 1940, 2195, 2634, 2910, 3492, 3951, 4365, 4390, 5268, 5820, 6585, 7902, 8730, 8780, 13170, 15804, 17460, 19755, 26340, 39510, 42583, 79020, 85166, 127749, 170332, 212915, 255498, 383247, 425830, 510996, 638745, 766494, 851660, 1277490, 1532988, 1916235, 2554980, 3832470, 7664940]

約数ペア:

[(1, 7664940), (2, 3832470), (3, 2554980), (4, 1916235), (5, 1532988), (6, 1277490), (9, 851660), (10, 766494), (12, 638745), (15, 510996), (18, 425830), (20, 383247), (30, 255498), (36, 212915), (45, 170332), (60, 127749), (90, 85166), (97, 79020), (180, 42583), (194, 39510), (291, 26340), (388, 19755), (439, 17460), (485, 15804), (582, 13170), (873, 8780), (878, 8730), (970, 7902), (1164, 6585), (1317, 5820), (1455, 5268), (1746, 4390), (1756, 4365), (1940, 3951), (2195, 3492), (2634, 2910)]