66671280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1$

素因数の和:468

約数の個数: 240

約数和(自身を含む): 255921120

約数和(自身を除く): 189249840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 17, 18, 20, 24, 26, 30, 34, 36, 39, 40, 45, 48, 51, 52, 60, 65, 68, 72, 78, 80, 85, 90, 102, 104, 117, 120, 130, 136, 144, 153, 156, 170, 180, 195, 204, 208, 221, 234, 240, 255, 260, 272, 306, 312, 340, 360, 390, 408, 419, 442, 468, 510, 520, 585, 612, 624, 663, 680, 720, 765, 780, 816, 838, 884, 936, 1020, 1040, 1105, 1170, 1224, 1257, 1326, 1360, 1530, 1560, 1676, 1768, 1872, 1989, 2040, 2095, 2210, 2340, 2448, 2514, 2652, 3060, 3120, 3315, 3352, 3536, 3771, 3978, 4080, 4190, 4420, 4680, 5028, 5304, 5447, 6120, 6285, 6630, 6704, 7123, 7542, 7956, 8380, 8840, 9360, 9945, 10056, 10608, 10894, 12240, 12570, 13260, 14246, 15084, 15912, 16341, 16760, 17680, 18855, 19890, 20112, 21369, 21788, 25140, 26520, 27235, 28492, 30168, 31824, 32682, 33520, 35615, 37710, 39780, 42738, 43576, 49023, 50280, 53040, 54470, 56984, 60336, 64107, 65364, 71230, 75420, 79560, 81705, 85476, 87152, 92599, 98046, 100560, 106845, 108940, 113968, 128214, 130728, 142460, 150840, 159120, 163410, 170952, 185198, 196092, 213690, 217880, 245115, 256428, 261456, 277797, 284920, 301680, 320535, 326820, 341904, 370396, 392184, 427380, 435760, 462995, 490230, 512856, 555594, 569840, 641070, 653640, 740792, 784368, 833391, 854760, 925990, 980460, 1025712, 1111188, 1282140, 1307280, 1388985, 1481584, 1666782, 1709520, 1851980, 1960920, 2222376, 2564280, 2777970, 3333564, 3703960, 3921840, 4166955, 4444752, 5128560, 5555940, 6667128, 7407920, 8333910, 11111880, 13334256, 16667820, 22223760, 33335640, 66671280]

約数ペア:

[(1, 66671280), (2, 33335640), (3, 22223760), (4, 16667820), (5, 13334256), (6, 11111880), (8, 8333910), (9, 7407920), (10, 6667128), (12, 5555940), (13, 5128560), (15, 4444752), (16, 4166955), (17, 3921840), (18, 3703960), (20, 3333564), (24, 2777970), (26, 2564280), (30, 2222376), (34, 1960920), (36, 1851980), (39, 1709520), (40, 1666782), (45, 1481584), (48, 1388985), (51, 1307280), (52, 1282140), (60, 1111188), (65, 1025712), (68, 980460), (72, 925990), (78, 854760), (80, 833391), (85, 784368), (90, 740792), (102, 653640), (104, 641070), (117, 569840), (120, 555594), (130, 512856), (136, 490230), (144, 462995), (153, 435760), (156, 427380), (170, 392184), (180, 370396), (195, 341904), (204, 326820), (208, 320535), (221, 301680), (234, 284920), (240, 277797), (255, 261456), (260, 256428), (272, 245115), (306, 217880), (312, 213690), (340, 196092), (360, 185198), (390, 170952), (408, 163410), (419, 159120), (442, 150840), (468, 142460), (510, 130728), (520, 128214), (585, 113968), (612, 108940), (624, 106845), (663, 100560), (680, 98046), (720, 92599), (765, 87152), (780, 85476), (816, 81705), (838, 79560), (884, 75420), (936, 71230), (1020, 65364), (1040, 64107), (1105, 60336), (1170, 56984), (1224, 54470), (1257, 53040), (1326, 50280), (1360, 49023), (1530, 43576), (1560, 42738), (1676, 39780), (1768, 37710), (1872, 35615), (1989, 33520), (2040, 32682), (2095, 31824), (2210, 30168), (2340, 28492), (2448, 27235), (2514, 26520), (2652, 25140), (3060, 21788), (3120, 21369), (3315, 20112), (3352, 19890), (3536, 18855), (3771, 17680), (3978, 16760), (4080, 16341), (4190, 15912), (4420, 15084), (4680, 14246), (5028, 13260), (5304, 12570), (5447, 12240), (6120, 10894), (6285, 10608), (6630, 10056), (6704, 9945), (7123, 9360), (7542, 8840), (7956, 8380)]