19992964680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4272001}}^1$

素因数の和:4272031

約数の個数: 96

約数和(自身を含む): 69975392760

約数和(自身を除く): 49982428080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 360, 390, 468, 520, 585, 780, 936, 1170, 1560, 2340, 4680, 4272001, 8544002, 12816003, 17088004, 21360005, 25632006, 34176008, 38448009, 42720010, 51264012, 55536013, 64080015, 76896018, 85440020, 102528024, 111072026, 128160030, 153792036, 166608039, 170880040, 192240045, 222144052, 256320060, 277680065, 307584072, 333216078, 384480090, 444288104, 499824117, 512640120, 555360130, 666432156, 768960180, 833040195, 999648234, 1110720260, 1332864312, 1537920360, 1666080390, 1999296468, 2221440520, 2499120585, 3332160780, 3998592936, 4998241170, 6664321560, 9996482340, 19992964680]

約数ペア:

[(1, 19992964680), (2, 9996482340), (3, 6664321560), (4, 4998241170), (5, 3998592936), (6, 3332160780), (8, 2499120585), (9, 2221440520), (10, 1999296468), (12, 1666080390), (13, 1537920360), (15, 1332864312), (18, 1110720260), (20, 999648234), (24, 833040195), (26, 768960180), (30, 666432156), (36, 555360130), (39, 512640120), (40, 499824117), (45, 444288104), (52, 384480090), (60, 333216078), (65, 307584072), (72, 277680065), (78, 256320060), (90, 222144052), (104, 192240045), (117, 170880040), (120, 166608039), (130, 153792036), (156, 128160030), (180, 111072026), (195, 102528024), (234, 85440020), (260, 76896018), (312, 64080015), (360, 55536013), (390, 51264012), (468, 42720010), (520, 38448009), (585, 34176008), (780, 25632006), (936, 21360005), (1170, 17088004), (1560, 12816003), (2340, 8544002), (4680, 4272001)]