61321680

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^3$

素因数の和:95

約数の個数: 240

約数和(自身を含む): 246055680

約数和(自身を除く): 184734000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 23, 24, 28, 30, 35, 36, 40, 42, 45, 46, 48, 56, 60, 63, 69, 70, 72, 80, 84, 90, 92, 105, 112, 115, 120, 126, 138, 140, 144, 161, 168, 180, 184, 207, 210, 230, 240, 252, 276, 280, 315, 322, 336, 345, 360, 368, 414, 420, 460, 483, 504, 529, 552, 560, 630, 644, 690, 720, 805, 828, 840, 920, 966, 1008, 1035, 1058, 1104, 1260, 1288, 1380, 1449, 1587, 1610, 1656, 1680, 1840, 1932, 2070, 2116, 2415, 2520, 2576, 2645, 2760, 2898, 3174, 3220, 3312, 3703, 3864, 4140, 4232, 4761, 4830, 5040, 5290, 5520, 5796, 6348, 6440, 7245, 7406, 7728, 7935, 8280, 8464, 9522, 9660, 10580, 11109, 11592, 12167, 12696, 12880, 14490, 14812, 15870, 16560, 18515, 19044, 19320, 21160, 22218, 23184, 23805, 24334, 25392, 28980, 29624, 31740, 33327, 36501, 37030, 38088, 38640, 42320, 44436, 47610, 48668, 55545, 57960, 59248, 60835, 63480, 66654, 73002, 74060, 76176, 85169, 88872, 95220, 97336, 109503, 111090, 115920, 121670, 126960, 133308, 146004, 148120, 166635, 170338, 177744, 182505, 190440, 194672, 219006, 222180, 243340, 255507, 266616, 292008, 296240, 333270, 340676, 365010, 380880, 425845, 438012, 444360, 486680, 511014, 533232, 547515, 584016, 666540, 681352, 730020, 766521, 851690, 876024, 888720, 973360, 1022028, 1095030, 1277535, 1333080, 1362704, 1460040, 1533042, 1703380, 1752048, 2044056, 2190060, 2555070, 2666160, 2920080, 3066084, 3406760, 3832605, 4088112, 4380120, 5110140, 6132168, 6813520, 7665210, 8760240, 10220280, 12264336, 15330420, 20440560, 30660840, 61321680]

約数ペア:

[(1, 61321680), (2, 30660840), (3, 20440560), (4, 15330420), (5, 12264336), (6, 10220280), (7, 8760240), (8, 7665210), (9, 6813520), (10, 6132168), (12, 5110140), (14, 4380120), (15, 4088112), (16, 3832605), (18, 3406760), (20, 3066084), (21, 2920080), (23, 2666160), (24, 2555070), (28, 2190060), (30, 2044056), (35, 1752048), (36, 1703380), (40, 1533042), (42, 1460040), (45, 1362704), (46, 1333080), (48, 1277535), (56, 1095030), (60, 1022028), (63, 973360), (69, 888720), (70, 876024), (72, 851690), (80, 766521), (84, 730020), (90, 681352), (92, 666540), (105, 584016), (112, 547515), (115, 533232), (120, 511014), (126, 486680), (138, 444360), (140, 438012), (144, 425845), (161, 380880), (168, 365010), (180, 340676), (184, 333270), (207, 296240), (210, 292008), (230, 266616), (240, 255507), (252, 243340), (276, 222180), (280, 219006), (315, 194672), (322, 190440), (336, 182505), (345, 177744), (360, 170338), (368, 166635), (414, 148120), (420, 146004), (460, 133308), (483, 126960), (504, 121670), (529, 115920), (552, 111090), (560, 109503), (630, 97336), (644, 95220), (690, 88872), (720, 85169), (805, 76176), (828, 74060), (840, 73002), (920, 66654), (966, 63480), (1008, 60835), (1035, 59248), (1058, 57960), (1104, 55545), (1260, 48668), (1288, 47610), (1380, 44436), (1449, 42320), (1587, 38640), (1610, 38088), (1656, 37030), (1680, 36501), (1840, 33327), (1932, 31740), (2070, 29624), (2116, 28980), (2415, 25392), (2520, 24334), (2576, 23805), (2645, 23184), (2760, 22218), (2898, 21160), (3174, 19320), (3220, 19044), (3312, 18515), (3703, 16560), (3864, 15870), (4140, 14812), (4232, 14490), (4761, 12880), (4830, 12696), (5040, 12167), (5290, 11592), (5520, 11109), (5796, 10580), (6348, 9660), (6440, 9522), (7245, 8464), (7406, 8280), (7728, 7935)]