1721615810

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{313}}^1$

素因数の和:579

約数の個数: 64

約数和(自身を含む): 3229507584

約数和(自身を除く): 1507891774

約数列:

[1, 2, 5, 10, 61, 71, 122, 127, 142, 254, 305, 313, 355, 610, 626, 635, 710, 1270, 1565, 3130, 4331, 7747, 8662, 9017, 15494, 18034, 19093, 21655, 22223, 38186, 38735, 39751, 43310, 44446, 45085, 77470, 79502, 90170, 95465, 111115, 190930, 198755, 222230, 397510, 550037, 1100074, 1355603, 2424811, 2711206, 2750185, 2822321, 4849622, 5500370, 5644642, 6778015, 12124055, 13556030, 14111605, 24248110, 28223210, 172161581, 344323162, 860807905, 1721615810]

約数ペア:

[(1, 1721615810), (2, 860807905), (5, 344323162), (10, 172161581), (61, 28223210), (71, 24248110), (122, 14111605), (127, 13556030), (142, 12124055), (254, 6778015), (305, 5644642), (313, 5500370), (355, 4849622), (610, 2822321), (626, 2750185), (635, 2711206), (710, 2424811), (1270, 1355603), (1565, 1100074), (3130, 550037), (4331, 397510), (7747, 222230), (8662, 198755), (9017, 190930), (15494, 111115), (18034, 95465), (19093, 90170), (21655, 79502), (22223, 77470), (38186, 45085), (38735, 44446), (39751, 43310)]