18987310800

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{1193}}^1\times {\mathrm{4421}}^1$

素因数の和:5638

約数の個数: 180

約数和(自身を含む): 65961390924

約数和(自身を除く): 46974080124

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 100, 120, 144, 150, 180, 200, 225, 240, 300, 360, 400, 450, 600, 720, 900, 1193, 1200, 1800, 2386, 3579, 3600, 4421, 4772, 5965, 7158, 8842, 9544, 10737, 11930, 13263, 14316, 17684, 17895, 19088, 21474, 22105, 23860, 26526, 28632, 29825, 35368, 35790, 39789, 42948, 44210, 47720, 53052, 53685, 57264, 59650, 66315, 70736, 71580, 79578, 85896, 88420, 89475, 95440, 106104, 107370, 110525, 119300, 132630, 143160, 159156, 171792, 176840, 178950, 198945, 212208, 214740, 221050, 238600, 265260, 268425, 286320, 318312, 331575, 353680, 357900, 397890, 429480, 442100, 477200, 530520, 536850, 636624, 663150, 715800, 795780, 858960, 884200, 994725, 1061040, 1073700, 1326300, 1431600, 1591560, 1768400, 1989450, 2147400, 2652600, 3183120, 3978900, 4294800, 5274253, 5305200, 7957800, 10548506, 15822759, 15915600, 21097012, 26371265, 31645518, 42194024, 47468277, 52742530, 63291036, 79113795, 84388048, 94936554, 105485060, 126582072, 131856325, 158227590, 189873108, 210970120, 237341385, 253164144, 263712650, 316455180, 379746216, 395568975, 421940240, 474682770, 527425300, 632910360, 759492432, 791137950, 949365540, 1054850600, 1186706925, 1265820720, 1582275900, 1898731080, 2109701200, 2373413850, 3164551800, 3797462160, 4746827700, 6329103600, 9493655400, 18987310800]

約数ペア:

[(1, 18987310800), (2, 9493655400), (3, 6329103600), (4, 4746827700), (5, 3797462160), (6, 3164551800), (8, 2373413850), (9, 2109701200), (10, 1898731080), (12, 1582275900), (15, 1265820720), (16, 1186706925), (18, 1054850600), (20, 949365540), (24, 791137950), (25, 759492432), (30, 632910360), (36, 527425300), (40, 474682770), (45, 421940240), (48, 395568975), (50, 379746216), (60, 316455180), (72, 263712650), (75, 253164144), (80, 237341385), (90, 210970120), (100, 189873108), (120, 158227590), (144, 131856325), (150, 126582072), (180, 105485060), (200, 94936554), (225, 84388048), (240, 79113795), (300, 63291036), (360, 52742530), (400, 47468277), (450, 42194024), (600, 31645518), (720, 26371265), (900, 21097012), (1193, 15915600), (1200, 15822759), (1800, 10548506), (2386, 7957800), (3579, 5305200), (3600, 5274253), (4421, 4294800), (4772, 3978900), (5965, 3183120), (7158, 2652600), (8842, 2147400), (9544, 1989450), (10737, 1768400), (11930, 1591560), (13263, 1431600), (14316, 1326300), (17684, 1073700), (17895, 1061040), (19088, 994725), (21474, 884200), (22105, 858960), (23860, 795780), (26526, 715800), (28632, 663150), (29825, 636624), (35368, 536850), (35790, 530520), (39789, 477200), (42948, 442100), (44210, 429480), (47720, 397890), (53052, 357900), (53685, 353680), (57264, 331575), (59650, 318312), (66315, 286320), (70736, 268425), (71580, 265260), (79578, 238600), (85896, 221050), (88420, 214740), (89475, 212208), (95440, 198945), (106104, 178950), (107370, 176840), (110525, 171792), (119300, 159156), (132630, 143160)]