51007320

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1$

素因数の和:216

約数の個数: 320

約数和(自身を含む): 212224320

約数和(自身を除く): 161217000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 27, 28, 30, 35, 36, 39, 40, 42, 45, 52, 54, 56, 60, 63, 65, 70, 72, 78, 81, 84, 90, 91, 104, 105, 108, 117, 120, 126, 130, 135, 140, 156, 162, 168, 173, 180, 182, 189, 195, 210, 216, 234, 252, 260, 270, 273, 280, 312, 315, 324, 346, 351, 360, 364, 378, 390, 405, 420, 455, 468, 504, 519, 520, 540, 546, 567, 585, 630, 648, 692, 702, 728, 756, 780, 810, 819, 840, 865, 910, 936, 945, 1038, 1053, 1080, 1092, 1134, 1170, 1211, 1260, 1365, 1384, 1404, 1512, 1557, 1560, 1620, 1638, 1730, 1755, 1820, 1890, 2076, 2106, 2184, 2249, 2268, 2340, 2422, 2457, 2520, 2595, 2730, 2808, 2835, 3114, 3240, 3276, 3460, 3510, 3633, 3640, 3780, 4095, 4152, 4212, 4498, 4536, 4671, 4680, 4844, 4914, 5190, 5265, 5460, 5670, 6055, 6228, 6552, 6747, 6920, 7020, 7266, 7371, 7560, 7785, 8190, 8424, 8996, 9342, 9688, 9828, 10380, 10530, 10899, 10920, 11245, 11340, 12110, 12285, 12456, 13494, 14013, 14040, 14532, 14742, 15570, 15743, 16380, 17992, 18165, 18684, 19656, 20241, 20760, 21060, 21798, 22490, 22680, 23355, 24220, 24570, 26988, 28026, 29064, 29484, 31140, 31486, 32697, 32760, 33735, 36330, 36855, 37368, 40482, 42120, 43596, 44980, 46710, 47229, 48440, 49140, 53976, 54495, 56052, 58968, 60723, 62280, 62972, 65394, 67470, 70065, 72660, 73710, 78715, 80964, 87192, 89960, 93420, 94458, 98091, 98280, 101205, 108990, 112104, 121446, 125944, 130788, 134940, 140130, 141687, 145320, 147420, 157430, 161928, 163485, 182169, 186840, 188916, 196182, 202410, 217980, 236145, 242892, 261576, 269880, 280260, 283374, 294840, 303615, 314860, 326970, 364338, 377832, 392364, 404820, 425061, 435960, 472290, 485784, 490455, 560520, 566748, 607230, 629720, 653940, 708435, 728676, 784728, 809640, 850122, 910845, 944580, 980910, 1133496, 1214460, 1275183, 1307880, 1416870, 1457352, 1700244, 1821690, 1889160, 1961820, 2125305, 2428920, 2550366, 2833740, 3400488, 3643380, 3923640, 4250610, 5100732, 5667480, 6375915, 7286760, 8501220, 10201464, 12751830, 17002440, 25503660, 51007320]

約数ペア:

[(1, 51007320), (2, 25503660), (3, 17002440), (4, 12751830), (5, 10201464), (6, 8501220), (7, 7286760), (8, 6375915), (9, 5667480), (10, 5100732), (12, 4250610), (13, 3923640), (14, 3643380), (15, 3400488), (18, 2833740), (20, 2550366), (21, 2428920), (24, 2125305), (26, 1961820), (27, 1889160), (28, 1821690), (30, 1700244), (35, 1457352), (36, 1416870), (39, 1307880), (40, 1275183), (42, 1214460), (45, 1133496), (52, 980910), (54, 944580), (56, 910845), (60, 850122), (63, 809640), (65, 784728), (70, 728676), (72, 708435), (78, 653940), (81, 629720), (84, 607230), (90, 566748), (91, 560520), (104, 490455), (105, 485784), (108, 472290), (117, 435960), (120, 425061), (126, 404820), (130, 392364), (135, 377832), (140, 364338), (156, 326970), (162, 314860), (168, 303615), (173, 294840), (180, 283374), (182, 280260), (189, 269880), (195, 261576), (210, 242892), (216, 236145), (234, 217980), (252, 202410), (260, 196182), (270, 188916), (273, 186840), (280, 182169), (312, 163485), (315, 161928), (324, 157430), (346, 147420), (351, 145320), (360, 141687), (364, 140130), (378, 134940), (390, 130788), (405, 125944), (420, 121446), (455, 112104), (468, 108990), (504, 101205), (519, 98280), (520, 98091), (540, 94458), (546, 93420), (567, 89960), (585, 87192), (630, 80964), (648, 78715), (692, 73710), (702, 72660), (728, 70065), (756, 67470), (780, 65394), (810, 62972), (819, 62280), (840, 60723), (865, 58968), (910, 56052), (936, 54495), (945, 53976), (1038, 49140), (1053, 48440), (1080, 47229), (1092, 46710), (1134, 44980), (1170, 43596), (1211, 42120), (1260, 40482), (1365, 37368), (1384, 36855), (1404, 36330), (1512, 33735), (1557, 32760), (1560, 32697), (1620, 31486), (1638, 31140), (1730, 29484), (1755, 29064), (1820, 28026), (1890, 26988), (2076, 24570), (2106, 24220), (2184, 23355), (2249, 22680), (2268, 22490), (2340, 21798), (2422, 21060), (2457, 20760), (2520, 20241), (2595, 19656), (2730, 18684), (2808, 18165), (2835, 17992), (3114, 16380), (3240, 15743), (3276, 15570), (3460, 14742), (3510, 14532), (3633, 14040), (3640, 14013), (3780, 13494), (4095, 12456), (4152, 12285), (4212, 12110), (4498, 11340), (4536, 11245), (4671, 10920), (4680, 10899), (4844, 10530), (4914, 10380), (5190, 9828), (5265, 9688), (5460, 9342), (5670, 8996), (6055, 8424), (6228, 8190), (6552, 7785), (6747, 7560), (6920, 7371), (7020, 7266)]