1855890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1213}}^1$

素因数の和:1243

約数の個数: 48

約数和(自身を含む): 5113368

約数和(自身を除く): 3257478

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 153, 170, 255, 306, 510, 765, 1213, 1530, 2426, 3639, 6065, 7278, 10917, 12130, 18195, 20621, 21834, 36390, 41242, 54585, 61863, 103105, 109170, 123726, 185589, 206210, 309315, 371178, 618630, 927945, 1855890]

約数ペア:

[(1, 1855890), (2, 927945), (3, 618630), (5, 371178), (6, 309315), (9, 206210), (10, 185589), (15, 123726), (17, 109170), (18, 103105), (30, 61863), (34, 54585), (45, 41242), (51, 36390), (85, 21834), (90, 20621), (102, 18195), (153, 12130), (170, 10917), (255, 7278), (306, 6065), (510, 3639), (765, 2426), (1213, 1530)]