28171800

素因数分解:

$2^3\times 3^4\times 5^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:112

約数の個数: 240

約数和(自身を含む): 102627360

約数和(自身を除く): 74455560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 27, 30, 36, 37, 40, 45, 47, 50, 54, 60, 72, 74, 75, 81, 90, 94, 100, 108, 111, 120, 135, 141, 148, 150, 162, 180, 185, 188, 200, 216, 222, 225, 235, 270, 282, 296, 300, 324, 333, 360, 370, 376, 405, 423, 444, 450, 470, 540, 555, 564, 600, 648, 666, 675, 705, 740, 810, 846, 888, 900, 925, 940, 999, 1080, 1110, 1128, 1175, 1269, 1332, 1350, 1410, 1480, 1620, 1665, 1692, 1739, 1800, 1850, 1880, 1998, 2025, 2115, 2220, 2350, 2538, 2664, 2700, 2775, 2820, 2997, 3240, 3330, 3384, 3478, 3525, 3700, 3807, 3996, 4050, 4230, 4440, 4700, 4995, 5076, 5217, 5400, 5550, 5640, 5994, 6345, 6660, 6956, 7050, 7400, 7614, 7992, 8100, 8325, 8460, 8695, 9400, 9990, 10152, 10434, 10575, 11100, 11988, 12690, 13320, 13912, 14100, 14985, 15228, 15651, 16200, 16650, 16920, 17390, 19035, 19980, 20868, 21150, 22200, 23976, 24975, 25380, 26085, 28200, 29970, 30456, 31302, 31725, 33300, 34780, 38070, 39960, 41736, 42300, 43475, 46953, 49950, 50760, 52170, 59940, 62604, 63450, 66600, 69560, 74925, 76140, 78255, 84600, 86950, 93906, 95175, 99900, 104340, 119880, 125208, 126900, 130425, 140859, 149850, 152280, 156510, 173900, 187812, 190350, 199800, 208680, 234765, 253800, 260850, 281718, 299700, 313020, 347800, 375624, 380700, 391275, 469530, 521700, 563436, 599400, 626040, 704295, 761400, 782550, 939060, 1043400, 1126872, 1173825, 1408590, 1565100, 1878120, 2347650, 2817180, 3130200, 3521475, 4695300, 5634360, 7042950, 9390600, 14085900, 28171800]

約数ペア:

[(1, 28171800), (2, 14085900), (3, 9390600), (4, 7042950), (5, 5634360), (6, 4695300), (8, 3521475), (9, 3130200), (10, 2817180), (12, 2347650), (15, 1878120), (18, 1565100), (20, 1408590), (24, 1173825), (25, 1126872), (27, 1043400), (30, 939060), (36, 782550), (37, 761400), (40, 704295), (45, 626040), (47, 599400), (50, 563436), (54, 521700), (60, 469530), (72, 391275), (74, 380700), (75, 375624), (81, 347800), (90, 313020), (94, 299700), (100, 281718), (108, 260850), (111, 253800), (120, 234765), (135, 208680), (141, 199800), (148, 190350), (150, 187812), (162, 173900), (180, 156510), (185, 152280), (188, 149850), (200, 140859), (216, 130425), (222, 126900), (225, 125208), (235, 119880), (270, 104340), (282, 99900), (296, 95175), (300, 93906), (324, 86950), (333, 84600), (360, 78255), (370, 76140), (376, 74925), (405, 69560), (423, 66600), (444, 63450), (450, 62604), (470, 59940), (540, 52170), (555, 50760), (564, 49950), (600, 46953), (648, 43475), (666, 42300), (675, 41736), (705, 39960), (740, 38070), (810, 34780), (846, 33300), (888, 31725), (900, 31302), (925, 30456), (940, 29970), (999, 28200), (1080, 26085), (1110, 25380), (1128, 24975), (1175, 23976), (1269, 22200), (1332, 21150), (1350, 20868), (1410, 19980), (1480, 19035), (1620, 17390), (1665, 16920), (1692, 16650), (1739, 16200), (1800, 15651), (1850, 15228), (1880, 14985), (1998, 14100), (2025, 13912), (2115, 13320), (2220, 12690), (2350, 11988), (2538, 11100), (2664, 10575), (2700, 10434), (2775, 10152), (2820, 9990), (2997, 9400), (3240, 8695), (3330, 8460), (3384, 8325), (3478, 8100), (3525, 7992), (3700, 7614), (3807, 7400), (3996, 7050), (4050, 6956), (4230, 6660), (4440, 6345), (4700, 5994), (4995, 5640), (5076, 5550), (5217, 5400)]