720376440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{1213}}^1$

素因数の和:1342

約数の個数: 192

約数和(自身を含む): 2540950560

約数和(自身を除く): 1820574120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 101, 105, 120, 140, 147, 168, 196, 202, 210, 245, 280, 294, 303, 392, 404, 420, 490, 505, 588, 606, 707, 735, 808, 840, 980, 1010, 1176, 1212, 1213, 1414, 1470, 1515, 1960, 2020, 2121, 2424, 2426, 2828, 2940, 3030, 3535, 3639, 4040, 4242, 4852, 4949, 5656, 5880, 6060, 6065, 7070, 7278, 8484, 8491, 9704, 9898, 10605, 12120, 12130, 14140, 14556, 14847, 16968, 16982, 18195, 19796, 21210, 24260, 24745, 25473, 28280, 29112, 29694, 33964, 36390, 39592, 42420, 42455, 48520, 49490, 50946, 59388, 59437, 67928, 72780, 74235, 84840, 84910, 98980, 101892, 118776, 118874, 122513, 127365, 145560, 148470, 169820, 178311, 197960, 203784, 237748, 245026, 254730, 296940, 297185, 339640, 356622, 367539, 475496, 490052, 509460, 593880, 594370, 612565, 713244, 735078, 857591, 891555, 980104, 1018920, 1188740, 1225130, 1426488, 1470156, 1715182, 1783110, 1837695, 2377480, 2450260, 2572773, 2940312, 3430364, 3566220, 3675390, 4287955, 4900520, 5145546, 6003137, 6860728, 7132440, 7350780, 8575910, 10291092, 12006274, 12863865, 14701560, 17151820, 18009411, 20582184, 24012548, 25727730, 30015685, 34303640, 36018822, 48025096, 51455460, 60031370, 72037644, 90047055, 102910920, 120062740, 144075288, 180094110, 240125480, 360188220, 720376440]

約数ペア:

[(1, 720376440), (2, 360188220), (3, 240125480), (4, 180094110), (5, 144075288), (6, 120062740), (7, 102910920), (8, 90047055), (10, 72037644), (12, 60031370), (14, 51455460), (15, 48025096), (20, 36018822), (21, 34303640), (24, 30015685), (28, 25727730), (30, 24012548), (35, 20582184), (40, 18009411), (42, 17151820), (49, 14701560), (56, 12863865), (60, 12006274), (70, 10291092), (84, 8575910), (98, 7350780), (101, 7132440), (105, 6860728), (120, 6003137), (140, 5145546), (147, 4900520), (168, 4287955), (196, 3675390), (202, 3566220), (210, 3430364), (245, 2940312), (280, 2572773), (294, 2450260), (303, 2377480), (392, 1837695), (404, 1783110), (420, 1715182), (490, 1470156), (505, 1426488), (588, 1225130), (606, 1188740), (707, 1018920), (735, 980104), (808, 891555), (840, 857591), (980, 735078), (1010, 713244), (1176, 612565), (1212, 594370), (1213, 593880), (1414, 509460), (1470, 490052), (1515, 475496), (1960, 367539), (2020, 356622), (2121, 339640), (2424, 297185), (2426, 296940), (2828, 254730), (2940, 245026), (3030, 237748), (3535, 203784), (3639, 197960), (4040, 178311), (4242, 169820), (4852, 148470), (4949, 145560), (5656, 127365), (5880, 122513), (6060, 118874), (6065, 118776), (7070, 101892), (7278, 98980), (8484, 84910), (8491, 84840), (9704, 74235), (9898, 72780), (10605, 67928), (12120, 59437), (12130, 59388), (14140, 50946), (14556, 49490), (14847, 48520), (16968, 42455), (16982, 42420), (18195, 39592), (19796, 36390), (21210, 33964), (24260, 29694), (24745, 29112), (25473, 28280)]