80780400

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1181}}^1$

素因数の和:1224

約数の個数: 180

約数和(自身を含む): 295334520

約数和(自身を除く): 214554120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 25, 30, 36, 38, 40, 45, 48, 50, 57, 60, 72, 75, 76, 80, 90, 95, 100, 114, 120, 144, 150, 152, 171, 180, 190, 200, 225, 228, 240, 285, 300, 304, 342, 360, 380, 400, 450, 456, 475, 570, 600, 684, 720, 760, 855, 900, 912, 950, 1140, 1181, 1200, 1368, 1425, 1520, 1710, 1800, 1900, 2280, 2362, 2736, 2850, 3420, 3543, 3600, 3800, 4275, 4560, 4724, 5700, 5905, 6840, 7086, 7600, 8550, 9448, 10629, 11400, 11810, 13680, 14172, 17100, 17715, 18896, 21258, 22439, 22800, 23620, 28344, 29525, 34200, 35430, 42516, 44878, 47240, 53145, 56688, 59050, 67317, 68400, 70860, 85032, 88575, 89756, 94480, 106290, 112195, 118100, 134634, 141720, 170064, 177150, 179512, 201951, 212580, 224390, 236200, 265725, 269268, 283440, 336585, 354300, 359024, 403902, 425160, 448780, 472400, 531450, 538536, 560975, 673170, 708600, 807804, 850320, 897560, 1009755, 1062900, 1077072, 1121950, 1346340, 1417200, 1615608, 1682925, 1795120, 2019510, 2125800, 2243900, 2692680, 3231216, 3365850, 4039020, 4251600, 4487800, 5048775, 5385360, 6731700, 8078040, 8975600, 10097550, 13463400, 16156080, 20195100, 26926800, 40390200, 80780400]

約数ペア:

[(1, 80780400), (2, 40390200), (3, 26926800), (4, 20195100), (5, 16156080), (6, 13463400), (8, 10097550), (9, 8975600), (10, 8078040), (12, 6731700), (15, 5385360), (16, 5048775), (18, 4487800), (19, 4251600), (20, 4039020), (24, 3365850), (25, 3231216), (30, 2692680), (36, 2243900), (38, 2125800), (40, 2019510), (45, 1795120), (48, 1682925), (50, 1615608), (57, 1417200), (60, 1346340), (72, 1121950), (75, 1077072), (76, 1062900), (80, 1009755), (90, 897560), (95, 850320), (100, 807804), (114, 708600), (120, 673170), (144, 560975), (150, 538536), (152, 531450), (171, 472400), (180, 448780), (190, 425160), (200, 403902), (225, 359024), (228, 354300), (240, 336585), (285, 283440), (300, 269268), (304, 265725), (342, 236200), (360, 224390), (380, 212580), (400, 201951), (450, 179512), (456, 177150), (475, 170064), (570, 141720), (600, 134634), (684, 118100), (720, 112195), (760, 106290), (855, 94480), (900, 89756), (912, 88575), (950, 85032), (1140, 70860), (1181, 68400), (1200, 67317), (1368, 59050), (1425, 56688), (1520, 53145), (1710, 47240), (1800, 44878), (1900, 42516), (2280, 35430), (2362, 34200), (2736, 29525), (2850, 28344), (3420, 23620), (3543, 22800), (3600, 22439), (3800, 21258), (4275, 18896), (4560, 17715), (4724, 17100), (5700, 14172), (5905, 13680), (6840, 11810), (7086, 11400), (7600, 10629), (8550, 9448)]