30721020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{523}}^1$

素因数の和:635

約数の個数: 96

約数和(自身を含む): 95074560

約数和(自身を除く): 64353540

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 89, 110, 132, 165, 178, 220, 267, 330, 356, 445, 523, 534, 660, 890, 979, 1046, 1068, 1335, 1569, 1780, 1958, 2092, 2615, 2670, 2937, 3138, 3916, 4895, 5230, 5340, 5753, 5874, 6276, 7845, 9790, 10460, 11506, 11748, 14685, 15690, 17259, 19580, 23012, 28765, 29370, 31380, 34518, 46547, 57530, 58740, 69036, 86295, 93094, 115060, 139641, 172590, 186188, 232735, 279282, 345180, 465470, 512017, 558564, 698205, 930940, 1024034, 1396410, 1536051, 2048068, 2560085, 2792820, 3072102, 5120170, 6144204, 7680255, 10240340, 15360510, 30721020]

約数ペア:

[(1, 30721020), (2, 15360510), (3, 10240340), (4, 7680255), (5, 6144204), (6, 5120170), (10, 3072102), (11, 2792820), (12, 2560085), (15, 2048068), (20, 1536051), (22, 1396410), (30, 1024034), (33, 930940), (44, 698205), (55, 558564), (60, 512017), (66, 465470), (89, 345180), (110, 279282), (132, 232735), (165, 186188), (178, 172590), (220, 139641), (267, 115060), (330, 93094), (356, 86295), (445, 69036), (523, 58740), (534, 57530), (660, 46547), (890, 34518), (979, 31380), (1046, 29370), (1068, 28765), (1335, 23012), (1569, 19580), (1780, 17259), (1958, 15690), (2092, 14685), (2615, 11748), (2670, 11506), (2937, 10460), (3138, 9790), (3916, 7845), (4895, 6276), (5230, 5874), (5340, 5753)]