18072800

素因数分解:

$2^5\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:109

約数の個数: 144

約数和(自身を含む): 49215600

約数和(自身を除く): 31142800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 29, 32, 38, 40, 41, 50, 58, 76, 80, 82, 95, 100, 116, 145, 152, 160, 164, 190, 200, 205, 232, 290, 304, 328, 380, 400, 410, 464, 475, 551, 580, 608, 656, 725, 760, 779, 800, 820, 928, 950, 1025, 1102, 1160, 1189, 1312, 1450, 1520, 1558, 1640, 1900, 2050, 2204, 2320, 2378, 2755, 2900, 3040, 3116, 3280, 3800, 3895, 4100, 4408, 4640, 4756, 5510, 5800, 5945, 6232, 6560, 7600, 7790, 8200, 8816, 9512, 11020, 11600, 11890, 12464, 13775, 15200, 15580, 16400, 17632, 19024, 19475, 22040, 22591, 23200, 23780, 24928, 27550, 29725, 31160, 32800, 38048, 38950, 44080, 45182, 47560, 55100, 59450, 62320, 77900, 88160, 90364, 95120, 110200, 112955, 118900, 124640, 155800, 180728, 190240, 220400, 225910, 237800, 311600, 361456, 440800, 451820, 475600, 564775, 623200, 722912, 903640, 951200, 1129550, 1807280, 2259100, 3614560, 4518200, 9036400, 18072800]

約数ペア:

[(1, 18072800), (2, 9036400), (4, 4518200), (5, 3614560), (8, 2259100), (10, 1807280), (16, 1129550), (19, 951200), (20, 903640), (25, 722912), (29, 623200), (32, 564775), (38, 475600), (40, 451820), (41, 440800), (50, 361456), (58, 311600), (76, 237800), (80, 225910), (82, 220400), (95, 190240), (100, 180728), (116, 155800), (145, 124640), (152, 118900), (160, 112955), (164, 110200), (190, 95120), (200, 90364), (205, 88160), (232, 77900), (290, 62320), (304, 59450), (328, 55100), (380, 47560), (400, 45182), (410, 44080), (464, 38950), (475, 38048), (551, 32800), (580, 31160), (608, 29725), (656, 27550), (725, 24928), (760, 23780), (779, 23200), (800, 22591), (820, 22040), (928, 19475), (950, 19024), (1025, 17632), (1102, 16400), (1160, 15580), (1189, 15200), (1312, 13775), (1450, 12464), (1520, 11890), (1558, 11600), (1640, 11020), (1900, 9512), (2050, 8816), (2204, 8200), (2320, 7790), (2378, 7600), (2755, 6560), (2900, 6232), (3040, 5945), (3116, 5800), (3280, 5510), (3800, 4756), (3895, 4640), (4100, 4408)]