280140120

素因数分解:

$2^3\times 3^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{739}}^1$

素因数の和:781

約数の個数: 224

約数和(自身を含む): 1019113200

約数和(自身を除く): 738973080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 81, 90, 104, 108, 117, 120, 130, 135, 156, 162, 180, 195, 216, 234, 243, 260, 270, 312, 324, 351, 360, 390, 405, 468, 486, 520, 540, 585, 648, 702, 729, 739, 780, 810, 936, 972, 1053, 1080, 1170, 1215, 1404, 1458, 1478, 1560, 1620, 1755, 1944, 2106, 2217, 2340, 2430, 2808, 2916, 2956, 3159, 3240, 3510, 3645, 3695, 4212, 4434, 4680, 4860, 5265, 5832, 5912, 6318, 6651, 7020, 7290, 7390, 8424, 8868, 9477, 9607, 9720, 10530, 11085, 12636, 13302, 14040, 14580, 14780, 15795, 17736, 18954, 19214, 19953, 21060, 22170, 25272, 26604, 28821, 29160, 29560, 31590, 33255, 37908, 38428, 39906, 42120, 44340, 47385, 48035, 53208, 57642, 59859, 63180, 66510, 75816, 76856, 79812, 86463, 88680, 94770, 96070, 99765, 115284, 119718, 126360, 133020, 144105, 159624, 172926, 179577, 189540, 192140, 199530, 230568, 239436, 259389, 266040, 288210, 299295, 345852, 359154, 379080, 384280, 399060, 432315, 478872, 518778, 538731, 576420, 598590, 691704, 718308, 778167, 798120, 864630, 897885, 1037556, 1077462, 1152840, 1197180, 1296945, 1436616, 1556334, 1729260, 1795770, 2075112, 2154924, 2334501, 2394360, 2593890, 2693655, 3112668, 3458520, 3591540, 3890835, 4309848, 4669002, 5187780, 5387310, 6225336, 7003503, 7183080, 7781670, 9338004, 10375560, 10774620, 11672505, 14007006, 15563340, 18676008, 21549240, 23345010, 28014012, 31126680, 35017515, 46690020, 56028024, 70035030, 93380040, 140070060, 280140120]

約数ペア:

[(1, 280140120), (2, 140070060), (3, 93380040), (4, 70035030), (5, 56028024), (6, 46690020), (8, 35017515), (9, 31126680), (10, 28014012), (12, 23345010), (13, 21549240), (15, 18676008), (18, 15563340), (20, 14007006), (24, 11672505), (26, 10774620), (27, 10375560), (30, 9338004), (36, 7781670), (39, 7183080), (40, 7003503), (45, 6225336), (52, 5387310), (54, 5187780), (60, 4669002), (65, 4309848), (72, 3890835), (78, 3591540), (81, 3458520), (90, 3112668), (104, 2693655), (108, 2593890), (117, 2394360), (120, 2334501), (130, 2154924), (135, 2075112), (156, 1795770), (162, 1729260), (180, 1556334), (195, 1436616), (216, 1296945), (234, 1197180), (243, 1152840), (260, 1077462), (270, 1037556), (312, 897885), (324, 864630), (351, 798120), (360, 778167), (390, 718308), (405, 691704), (468, 598590), (486, 576420), (520, 538731), (540, 518778), (585, 478872), (648, 432315), (702, 399060), (729, 384280), (739, 379080), (780, 359154), (810, 345852), (936, 299295), (972, 288210), (1053, 266040), (1080, 259389), (1170, 239436), (1215, 230568), (1404, 199530), (1458, 192140), (1478, 189540), (1560, 179577), (1620, 172926), (1755, 159624), (1944, 144105), (2106, 133020), (2217, 126360), (2340, 119718), (2430, 115284), (2808, 99765), (2916, 96070), (2956, 94770), (3159, 88680), (3240, 86463), (3510, 79812), (3645, 76856), (3695, 75816), (4212, 66510), (4434, 63180), (4680, 59859), (4860, 57642), (5265, 53208), (5832, 48035), (5912, 47385), (6318, 44340), (6651, 42120), (7020, 39906), (7290, 38428), (7390, 37908), (8424, 33255), (8868, 31590), (9477, 29560), (9607, 29160), (9720, 28821), (10530, 26604), (11085, 25272), (12636, 22170), (13302, 21060), (14040, 19953), (14580, 19214), (14780, 18954), (15795, 17736)]