1555142040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{1999}}^1\times {\mathrm{2161}}^1$

素因数の和:4177

約数の個数: 96

約数和(自身を含む): 5059080000

約数和(自身を除く): 3503937960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 1999, 2161, 3998, 4322, 5997, 6483, 7996, 8644, 9995, 10805, 11994, 12966, 15992, 17288, 17991, 19449, 19990, 21610, 23988, 25932, 29985, 32415, 35982, 38898, 39980, 43220, 47976, 51864, 59970, 64830, 71964, 77796, 79960, 86440, 89955, 97245, 119940, 129660, 143928, 155592, 179910, 194490, 239880, 259320, 359820, 388980, 719640, 777960, 4319839, 8639678, 12959517, 17279356, 21599195, 25919034, 34558712, 38878551, 43198390, 51838068, 64797585, 77757102, 86396780, 103676136, 129595170, 155514204, 172793560, 194392755, 259190340, 311028408, 388785510, 518380680, 777571020, 1555142040]

約数ペア:

[(1, 1555142040), (2, 777571020), (3, 518380680), (4, 388785510), (5, 311028408), (6, 259190340), (8, 194392755), (9, 172793560), (10, 155514204), (12, 129595170), (15, 103676136), (18, 86396780), (20, 77757102), (24, 64797585), (30, 51838068), (36, 43198390), (40, 38878551), (45, 34558712), (60, 25919034), (72, 21599195), (90, 17279356), (120, 12959517), (180, 8639678), (360, 4319839), (1999, 777960), (2161, 719640), (3998, 388980), (4322, 359820), (5997, 259320), (6483, 239880), (7996, 194490), (8644, 179910), (9995, 155592), (10805, 143928), (11994, 129660), (12966, 119940), (15992, 97245), (17288, 89955), (17991, 86440), (19449, 79960), (19990, 77796), (21610, 71964), (23988, 64830), (25932, 59970), (29985, 51864), (32415, 47976), (35982, 43220), (38898, 39980)]