321478560

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1321}}^1$

素因数の和:1368

約数の個数: 216

約数和(自身を含む): 1188824364

約数和(自身を除く): 867345804

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 169, 180, 195, 208, 234, 240, 260, 288, 312, 338, 360, 390, 416, 468, 480, 507, 520, 585, 624, 676, 720, 780, 845, 936, 1014, 1040, 1170, 1248, 1321, 1352, 1440, 1521, 1560, 1690, 1872, 2028, 2080, 2340, 2535, 2642, 2704, 3042, 3120, 3380, 3744, 3963, 4056, 4680, 5070, 5284, 5408, 6084, 6240, 6605, 6760, 7605, 7926, 8112, 9360, 10140, 10568, 11889, 12168, 13210, 13520, 15210, 15852, 16224, 17173, 18720, 19815, 20280, 21136, 23778, 24336, 26420, 27040, 30420, 31704, 34346, 39630, 40560, 42272, 47556, 48672, 51519, 52840, 59445, 60840, 63408, 68692, 79260, 81120, 85865, 95112, 103038, 105680, 118890, 121680, 126816, 137384, 154557, 158520, 171730, 190224, 206076, 211360, 223249, 237780, 243360, 257595, 274768, 309114, 317040, 343460, 380448, 412152, 446498, 475560, 515190, 549536, 618228, 634080, 669747, 686920, 772785, 824304, 892996, 951120, 1030380, 1116245, 1236456, 1339494, 1373840, 1545570, 1648608, 1785992, 1902240, 2009241, 2060760, 2232490, 2472912, 2678988, 2747680, 3091140, 3348735, 3571984, 4018482, 4121520, 4464980, 4945824, 5357976, 6182280, 6697470, 7143968, 8036964, 8243040, 8929960, 10046205, 10715952, 12364560, 13394940, 16073928, 17859920, 20092410, 21431904, 24729120, 26789880, 32147856, 35719840, 40184820, 53579760, 64295712, 80369640, 107159520, 160739280, 321478560]

約数ペア:

[(1, 321478560), (2, 160739280), (3, 107159520), (4, 80369640), (5, 64295712), (6, 53579760), (8, 40184820), (9, 35719840), (10, 32147856), (12, 26789880), (13, 24729120), (15, 21431904), (16, 20092410), (18, 17859920), (20, 16073928), (24, 13394940), (26, 12364560), (30, 10715952), (32, 10046205), (36, 8929960), (39, 8243040), (40, 8036964), (45, 7143968), (48, 6697470), (52, 6182280), (60, 5357976), (65, 4945824), (72, 4464980), (78, 4121520), (80, 4018482), (90, 3571984), (96, 3348735), (104, 3091140), (117, 2747680), (120, 2678988), (130, 2472912), (144, 2232490), (156, 2060760), (160, 2009241), (169, 1902240), (180, 1785992), (195, 1648608), (208, 1545570), (234, 1373840), (240, 1339494), (260, 1236456), (288, 1116245), (312, 1030380), (338, 951120), (360, 892996), (390, 824304), (416, 772785), (468, 686920), (480, 669747), (507, 634080), (520, 618228), (585, 549536), (624, 515190), (676, 475560), (720, 446498), (780, 412152), (845, 380448), (936, 343460), (1014, 317040), (1040, 309114), (1170, 274768), (1248, 257595), (1321, 243360), (1352, 237780), (1440, 223249), (1521, 211360), (1560, 206076), (1690, 190224), (1872, 171730), (2028, 158520), (2080, 154557), (2340, 137384), (2535, 126816), (2642, 121680), (2704, 118890), (3042, 105680), (3120, 103038), (3380, 95112), (3744, 85865), (3963, 81120), (4056, 79260), (4680, 68692), (5070, 63408), (5284, 60840), (5408, 59445), (6084, 52840), (6240, 51519), (6605, 48672), (6760, 47556), (7605, 42272), (7926, 40560), (8112, 39630), (9360, 34346), (10140, 31704), (10568, 30420), (11889, 27040), (12168, 26420), (13210, 24336), (13520, 23778), (15210, 21136), (15852, 20280), (16224, 19815), (17173, 18720)]