206720100

素因数分解:

$2^2\times 3^5\times 5^2\times {\mathrm{47}}^1\times {\mathrm{181}}^1$

素因数の和:257

約数の個数: 216

約数和(自身を含む): 690039168

約数和(自身を除く): 483319068

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 47, 50, 54, 60, 75, 81, 90, 94, 100, 108, 135, 141, 150, 162, 180, 181, 188, 225, 235, 243, 270, 282, 300, 324, 362, 405, 423, 450, 470, 486, 540, 543, 564, 675, 705, 724, 810, 846, 900, 905, 940, 972, 1086, 1175, 1215, 1269, 1350, 1410, 1620, 1629, 1692, 1810, 2025, 2115, 2172, 2350, 2430, 2538, 2700, 2715, 2820, 3258, 3525, 3620, 3807, 4050, 4230, 4525, 4700, 4860, 4887, 5076, 5430, 6075, 6345, 6516, 7050, 7614, 8100, 8145, 8460, 8507, 9050, 9774, 10575, 10860, 11421, 12150, 12690, 13575, 14100, 14661, 15228, 16290, 17014, 18100, 19035, 19548, 21150, 22842, 24300, 24435, 25380, 25521, 27150, 29322, 31725, 32580, 34028, 38070, 40725, 42300, 42535, 43983, 45684, 48870, 51042, 54300, 57105, 58644, 63450, 73305, 76140, 76563, 81450, 85070, 87966, 95175, 97740, 102084, 114210, 122175, 126900, 127605, 146610, 153126, 162900, 170140, 175932, 190350, 212675, 219915, 228420, 229689, 244350, 255210, 285525, 293220, 306252, 366525, 380700, 382815, 425350, 439830, 459378, 488700, 510420, 571050, 638025, 689067, 733050, 765630, 850700, 879660, 918756, 1099575, 1142100, 1148445, 1276050, 1378134, 1466100, 1531260, 1914075, 2067201, 2199150, 2296890, 2552100, 2756268, 3445335, 3828150, 4134402, 4398300, 4593780, 5742225, 6890670, 7656300, 8268804, 10336005, 11484450, 13781340, 17226675, 20672010, 22968900, 34453350, 41344020, 51680025, 68906700, 103360050, 206720100]

約数ペア:

[(1, 206720100), (2, 103360050), (3, 68906700), (4, 51680025), (5, 41344020), (6, 34453350), (9, 22968900), (10, 20672010), (12, 17226675), (15, 13781340), (18, 11484450), (20, 10336005), (25, 8268804), (27, 7656300), (30, 6890670), (36, 5742225), (45, 4593780), (47, 4398300), (50, 4134402), (54, 3828150), (60, 3445335), (75, 2756268), (81, 2552100), (90, 2296890), (94, 2199150), (100, 2067201), (108, 1914075), (135, 1531260), (141, 1466100), (150, 1378134), (162, 1276050), (180, 1148445), (181, 1142100), (188, 1099575), (225, 918756), (235, 879660), (243, 850700), (270, 765630), (282, 733050), (300, 689067), (324, 638025), (362, 571050), (405, 510420), (423, 488700), (450, 459378), (470, 439830), (486, 425350), (540, 382815), (543, 380700), (564, 366525), (675, 306252), (705, 293220), (724, 285525), (810, 255210), (846, 244350), (900, 229689), (905, 228420), (940, 219915), (972, 212675), (1086, 190350), (1175, 175932), (1215, 170140), (1269, 162900), (1350, 153126), (1410, 146610), (1620, 127605), (1629, 126900), (1692, 122175), (1810, 114210), (2025, 102084), (2115, 97740), (2172, 95175), (2350, 87966), (2430, 85070), (2538, 81450), (2700, 76563), (2715, 76140), (2820, 73305), (3258, 63450), (3525, 58644), (3620, 57105), (3807, 54300), (4050, 51042), (4230, 48870), (4525, 45684), (4700, 43983), (4860, 42535), (4887, 42300), (5076, 40725), (5430, 38070), (6075, 34028), (6345, 32580), (6516, 31725), (7050, 29322), (7614, 27150), (8100, 25521), (8145, 25380), (8460, 24435), (8507, 24300), (9050, 22842), (9774, 21150), (10575, 19548), (10860, 19035), (11421, 18100), (12150, 17014), (12690, 16290), (13575, 15228), (14100, 14661)]