15690020920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{349}}^1\times {\mathrm{523}}^1$

素因数の和:1197

約数の個数: 128

約数和(自身を含む): 40670784000

約数和(自身を除く): 24980763080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 307, 349, 523, 614, 698, 1046, 1228, 1396, 1535, 1745, 2092, 2149, 2443, 2456, 2615, 2792, 3070, 3490, 3661, 4184, 4298, 4886, 5230, 6140, 6980, 7322, 8596, 9772, 10460, 10745, 12215, 12280, 13960, 14644, 17192, 18305, 19544, 20920, 21490, 24430, 29288, 36610, 42980, 48860, 73220, 85960, 97720, 107143, 146440, 160561, 182527, 214286, 321122, 365054, 428572, 535715, 642244, 730108, 750001, 802805, 857144, 912635, 1071430, 1123927, 1277689, 1284488, 1460216, 1500002, 1605610, 1825270, 2142860, 2247854, 2555378, 3000004, 3211220, 3650540, 3750005, 4285720, 4495708, 5110756, 5619635, 6000008, 6388445, 6422440, 7301080, 7500010, 8991416, 10221512, 11239270, 12776890, 15000020, 22478540, 25553780, 30000040, 44957080, 51107560, 56035789, 112071578, 224143156, 280178945, 392250523, 448286312, 560357890, 784501046, 1120715780, 1569002092, 1961252615, 2241431560, 3138004184, 3922505230, 7845010460, 15690020920]

約数ペア:

[(1, 15690020920), (2, 7845010460), (4, 3922505230), (5, 3138004184), (7, 2241431560), (8, 1961252615), (10, 1569002092), (14, 1120715780), (20, 784501046), (28, 560357890), (35, 448286312), (40, 392250523), (56, 280178945), (70, 224143156), (140, 112071578), (280, 56035789), (307, 51107560), (349, 44957080), (523, 30000040), (614, 25553780), (698, 22478540), (1046, 15000020), (1228, 12776890), (1396, 11239270), (1535, 10221512), (1745, 8991416), (2092, 7500010), (2149, 7301080), (2443, 6422440), (2456, 6388445), (2615, 6000008), (2792, 5619635), (3070, 5110756), (3490, 4495708), (3661, 4285720), (4184, 3750005), (4298, 3650540), (4886, 3211220), (5230, 3000004), (6140, 2555378), (6980, 2247854), (7322, 2142860), (8596, 1825270), (9772, 1605610), (10460, 1500002), (10745, 1460216), (12215, 1284488), (12280, 1277689), (13960, 1123927), (14644, 1071430), (17192, 912635), (18305, 857144), (19544, 802805), (20920, 750001), (21490, 730108), (24430, 642244), (29288, 535715), (36610, 428572), (42980, 365054), (48860, 321122), (73220, 214286), (85960, 182527), (97720, 160561), (107143, 146440)]