81127800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{3467}}^1$

素因数の和:3502

約数の個数: 144

約数和(自身を含む): 293496840

約数和(自身を除く): 212369040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 25, 26, 30, 36, 39, 40, 45, 50, 52, 60, 65, 72, 75, 78, 90, 100, 104, 117, 120, 130, 150, 156, 180, 195, 200, 225, 234, 260, 300, 312, 325, 360, 390, 450, 468, 520, 585, 600, 650, 780, 900, 936, 975, 1170, 1300, 1560, 1800, 1950, 2340, 2600, 2925, 3467, 3900, 4680, 5850, 6934, 7800, 10401, 11700, 13868, 17335, 20802, 23400, 27736, 31203, 34670, 41604, 45071, 52005, 62406, 69340, 83208, 86675, 90142, 104010, 124812, 135213, 138680, 156015, 173350, 180284, 208020, 225355, 249624, 260025, 270426, 312030, 346700, 360568, 405639, 416040, 450710, 520050, 540852, 624060, 676065, 693400, 780075, 811278, 901420, 1040100, 1081704, 1126775, 1248120, 1352130, 1560150, 1622556, 1802840, 2028195, 2080200, 2253550, 2704260, 3120300, 3245112, 3380325, 4056390, 4507100, 5408520, 6240600, 6760650, 8112780, 9014200, 10140975, 13521300, 16225560, 20281950, 27042600, 40563900, 81127800]

約数ペア:

[(1, 81127800), (2, 40563900), (3, 27042600), (4, 20281950), (5, 16225560), (6, 13521300), (8, 10140975), (9, 9014200), (10, 8112780), (12, 6760650), (13, 6240600), (15, 5408520), (18, 4507100), (20, 4056390), (24, 3380325), (25, 3245112), (26, 3120300), (30, 2704260), (36, 2253550), (39, 2080200), (40, 2028195), (45, 1802840), (50, 1622556), (52, 1560150), (60, 1352130), (65, 1248120), (72, 1126775), (75, 1081704), (78, 1040100), (90, 901420), (100, 811278), (104, 780075), (117, 693400), (120, 676065), (130, 624060), (150, 540852), (156, 520050), (180, 450710), (195, 416040), (200, 405639), (225, 360568), (234, 346700), (260, 312030), (300, 270426), (312, 260025), (325, 249624), (360, 225355), (390, 208020), (450, 180284), (468, 173350), (520, 156015), (585, 138680), (600, 135213), (650, 124812), (780, 104010), (900, 90142), (936, 86675), (975, 83208), (1170, 69340), (1300, 62406), (1560, 52005), (1800, 45071), (1950, 41604), (2340, 34670), (2600, 31203), (2925, 27736), (3467, 23400), (3900, 20802), (4680, 17335), (5850, 13868), (6934, 11700), (7800, 10401)]