254936340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{21139}}^1$

素因数の和:21221

約数の個数: 72

約数和(自身を含む): 784885920

約数和(自身を除く): 529949580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 67, 90, 134, 180, 201, 268, 335, 402, 603, 670, 804, 1005, 1206, 1340, 2010, 2412, 3015, 4020, 6030, 12060, 21139, 42278, 63417, 84556, 105695, 126834, 190251, 211390, 253668, 317085, 380502, 422780, 634170, 761004, 951255, 1268340, 1416313, 1902510, 2832626, 3805020, 4248939, 5665252, 7081565, 8497878, 12746817, 14163130, 16995756, 21244695, 25493634, 28326260, 42489390, 50987268, 63734085, 84978780, 127468170, 254936340]

約数ペア:

[(1, 254936340), (2, 127468170), (3, 84978780), (4, 63734085), (5, 50987268), (6, 42489390), (9, 28326260), (10, 25493634), (12, 21244695), (15, 16995756), (18, 14163130), (20, 12746817), (30, 8497878), (36, 7081565), (45, 5665252), (60, 4248939), (67, 3805020), (90, 2832626), (134, 1902510), (180, 1416313), (201, 1268340), (268, 951255), (335, 761004), (402, 634170), (603, 422780), (670, 380502), (804, 317085), (1005, 253668), (1206, 211390), (1340, 190251), (2010, 126834), (2412, 105695), (3015, 84556), (4020, 63417), (6030, 42278), (12060, 21139)]