72855720

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{419}}^1$

素因数の和:469

約数の個数: 256

約数和(自身を含む): 290304000

約数和(自身を除く): 217448280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 23, 24, 27, 28, 30, 35, 36, 40, 42, 45, 46, 54, 56, 60, 63, 69, 70, 72, 84, 90, 92, 105, 108, 115, 120, 126, 135, 138, 140, 161, 168, 180, 184, 189, 207, 210, 216, 230, 252, 270, 276, 280, 315, 322, 345, 360, 378, 414, 419, 420, 460, 483, 504, 540, 552, 621, 630, 644, 690, 756, 805, 828, 838, 840, 920, 945, 966, 1035, 1080, 1242, 1257, 1260, 1288, 1380, 1449, 1512, 1610, 1656, 1676, 1890, 1932, 2070, 2095, 2415, 2484, 2514, 2520, 2760, 2898, 2933, 3105, 3220, 3352, 3771, 3780, 3864, 4140, 4190, 4347, 4830, 4968, 5028, 5796, 5866, 6210, 6285, 6440, 7245, 7542, 7560, 8280, 8380, 8694, 8799, 9637, 9660, 10056, 11313, 11592, 11732, 12420, 12570, 14490, 14665, 15084, 16760, 17388, 17598, 18855, 19274, 19320, 21735, 22626, 23464, 24840, 25140, 26397, 28911, 28980, 29330, 30168, 34776, 35196, 37710, 38548, 43470, 43995, 45252, 48185, 50280, 52794, 56565, 57822, 57960, 58660, 67459, 70392, 75420, 77096, 79191, 86733, 86940, 87990, 90504, 96370, 105588, 113130, 115644, 117320, 131985, 134918, 144555, 150840, 158382, 173466, 173880, 175980, 192740, 202377, 211176, 226260, 231288, 260199, 263970, 269836, 289110, 316764, 337295, 346932, 351960, 385480, 395955, 404754, 433665, 452520, 520398, 527940, 539672, 578220, 607131, 633528, 674590, 693864, 791910, 809508, 867330, 1011885, 1040796, 1055880, 1156440, 1214262, 1300995, 1349180, 1583820, 1619016, 1734660, 1821393, 2023770, 2081592, 2428524, 2601990, 2698360, 3035655, 3167640, 3469320, 3642786, 4047540, 4857048, 5203980, 6071310, 7285572, 8095080, 9106965, 10407960, 12142620, 14571144, 18213930, 24285240, 36427860, 72855720]

約数ペア:

[(1, 72855720), (2, 36427860), (3, 24285240), (4, 18213930), (5, 14571144), (6, 12142620), (7, 10407960), (8, 9106965), (9, 8095080), (10, 7285572), (12, 6071310), (14, 5203980), (15, 4857048), (18, 4047540), (20, 3642786), (21, 3469320), (23, 3167640), (24, 3035655), (27, 2698360), (28, 2601990), (30, 2428524), (35, 2081592), (36, 2023770), (40, 1821393), (42, 1734660), (45, 1619016), (46, 1583820), (54, 1349180), (56, 1300995), (60, 1214262), (63, 1156440), (69, 1055880), (70, 1040796), (72, 1011885), (84, 867330), (90, 809508), (92, 791910), (105, 693864), (108, 674590), (115, 633528), (120, 607131), (126, 578220), (135, 539672), (138, 527940), (140, 520398), (161, 452520), (168, 433665), (180, 404754), (184, 395955), (189, 385480), (207, 351960), (210, 346932), (216, 337295), (230, 316764), (252, 289110), (270, 269836), (276, 263970), (280, 260199), (315, 231288), (322, 226260), (345, 211176), (360, 202377), (378, 192740), (414, 175980), (419, 173880), (420, 173466), (460, 158382), (483, 150840), (504, 144555), (540, 134918), (552, 131985), (621, 117320), (630, 115644), (644, 113130), (690, 105588), (756, 96370), (805, 90504), (828, 87990), (838, 86940), (840, 86733), (920, 79191), (945, 77096), (966, 75420), (1035, 70392), (1080, 67459), (1242, 58660), (1257, 57960), (1260, 57822), (1288, 56565), (1380, 52794), (1449, 50280), (1512, 48185), (1610, 45252), (1656, 43995), (1676, 43470), (1890, 38548), (1932, 37710), (2070, 35196), (2095, 34776), (2415, 30168), (2484, 29330), (2514, 28980), (2520, 28911), (2760, 26397), (2898, 25140), (2933, 24840), (3105, 23464), (3220, 22626), (3352, 21735), (3771, 19320), (3780, 19274), (3864, 18855), (4140, 17598), (4190, 17388), (4347, 16760), (4830, 15084), (4968, 14665), (5028, 14490), (5796, 12570), (5866, 12420), (6210, 11732), (6285, 11592), (6440, 11313), (7245, 10056), (7542, 9660), (7560, 9637), (8280, 8799), (8380, 8694)]