28999320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:142

約数の個数: 256

約数和(自身を含む): 110592000

約数和(自身を除く): 81592680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 23, 24, 28, 30, 35, 38, 40, 42, 46, 56, 57, 60, 69, 70, 76, 79, 84, 92, 95, 105, 114, 115, 120, 133, 138, 140, 152, 158, 161, 168, 184, 190, 210, 228, 230, 237, 266, 276, 280, 285, 316, 322, 345, 380, 395, 399, 420, 437, 456, 460, 474, 483, 532, 552, 553, 570, 632, 644, 665, 690, 760, 790, 798, 805, 840, 874, 920, 948, 966, 1064, 1106, 1140, 1185, 1288, 1311, 1330, 1380, 1501, 1580, 1596, 1610, 1659, 1748, 1817, 1896, 1932, 1995, 2185, 2212, 2280, 2370, 2415, 2622, 2660, 2760, 2765, 3002, 3059, 3160, 3192, 3220, 3318, 3496, 3634, 3864, 3990, 4370, 4424, 4503, 4740, 4830, 5244, 5320, 5451, 5530, 6004, 6118, 6440, 6555, 6636, 7268, 7505, 7980, 8295, 8740, 9006, 9085, 9177, 9480, 9660, 10488, 10507, 10902, 11060, 12008, 12236, 12719, 13110, 13272, 14536, 15010, 15295, 15960, 16590, 17480, 18012, 18170, 18354, 19320, 21014, 21804, 22120, 22515, 24472, 25438, 26220, 27255, 30020, 30590, 31521, 33180, 34523, 36024, 36340, 36708, 38157, 42028, 43608, 45030, 45885, 50876, 52440, 52535, 54510, 60040, 61180, 63042, 63595, 66360, 69046, 72680, 73416, 76314, 84056, 90060, 91770, 101752, 103569, 105070, 109020, 122360, 126084, 127190, 138092, 152628, 157605, 172615, 180120, 183540, 190785, 207138, 210140, 218040, 241661, 252168, 254380, 276184, 305256, 315210, 345230, 367080, 381570, 414276, 420280, 483322, 508760, 517845, 630420, 690460, 724983, 763140, 828552, 966644, 1035690, 1208305, 1260840, 1380920, 1449966, 1526280, 1933288, 2071380, 2416610, 2899932, 3624915, 4142760, 4833220, 5799864, 7249830, 9666440, 14499660, 28999320]

約数ペア:

[(1, 28999320), (2, 14499660), (3, 9666440), (4, 7249830), (5, 5799864), (6, 4833220), (7, 4142760), (8, 3624915), (10, 2899932), (12, 2416610), (14, 2071380), (15, 1933288), (19, 1526280), (20, 1449966), (21, 1380920), (23, 1260840), (24, 1208305), (28, 1035690), (30, 966644), (35, 828552), (38, 763140), (40, 724983), (42, 690460), (46, 630420), (56, 517845), (57, 508760), (60, 483322), (69, 420280), (70, 414276), (76, 381570), (79, 367080), (84, 345230), (92, 315210), (95, 305256), (105, 276184), (114, 254380), (115, 252168), (120, 241661), (133, 218040), (138, 210140), (140, 207138), (152, 190785), (158, 183540), (161, 180120), (168, 172615), (184, 157605), (190, 152628), (210, 138092), (228, 127190), (230, 126084), (237, 122360), (266, 109020), (276, 105070), (280, 103569), (285, 101752), (316, 91770), (322, 90060), (345, 84056), (380, 76314), (395, 73416), (399, 72680), (420, 69046), (437, 66360), (456, 63595), (460, 63042), (474, 61180), (483, 60040), (532, 54510), (552, 52535), (553, 52440), (570, 50876), (632, 45885), (644, 45030), (665, 43608), (690, 42028), (760, 38157), (790, 36708), (798, 36340), (805, 36024), (840, 34523), (874, 33180), (920, 31521), (948, 30590), (966, 30020), (1064, 27255), (1106, 26220), (1140, 25438), (1185, 24472), (1288, 22515), (1311, 22120), (1330, 21804), (1380, 21014), (1501, 19320), (1580, 18354), (1596, 18170), (1610, 18012), (1659, 17480), (1748, 16590), (1817, 15960), (1896, 15295), (1932, 15010), (1995, 14536), (2185, 13272), (2212, 13110), (2280, 12719), (2370, 12236), (2415, 12008), (2622, 11060), (2660, 10902), (2760, 10507), (2765, 10488), (3002, 9660), (3059, 9480), (3160, 9177), (3192, 9085), (3220, 9006), (3318, 8740), (3496, 8295), (3634, 7980), (3864, 7505), (3990, 7268), (4370, 6636), (4424, 6555), (4503, 6440), (4740, 6118), (4830, 6004), (5244, 5530), (5320, 5451)]