7290720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:165

約数の個数: 144

約数和(自身を含む): 25592112

約数和(自身を除く): 18301392

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 61, 72, 80, 83, 90, 96, 120, 122, 144, 160, 166, 180, 183, 240, 244, 249, 288, 305, 332, 360, 366, 415, 480, 488, 498, 549, 610, 664, 720, 732, 747, 830, 915, 976, 996, 1098, 1220, 1245, 1328, 1440, 1464, 1494, 1660, 1830, 1952, 1992, 2196, 2440, 2490, 2656, 2745, 2928, 2988, 3320, 3660, 3735, 3984, 4392, 4880, 4980, 5063, 5490, 5856, 5976, 6640, 7320, 7470, 7968, 8784, 9760, 9960, 10126, 10980, 11952, 13280, 14640, 14940, 15189, 17568, 19920, 20252, 21960, 23904, 25315, 29280, 29880, 30378, 39840, 40504, 43920, 45567, 50630, 59760, 60756, 75945, 81008, 87840, 91134, 101260, 119520, 121512, 151890, 162016, 182268, 202520, 227835, 243024, 303780, 364536, 405040, 455670, 486048, 607560, 729072, 810080, 911340, 1215120, 1458144, 1822680, 2430240, 3645360, 7290720]

約数ペア:

[(1, 7290720), (2, 3645360), (3, 2430240), (4, 1822680), (5, 1458144), (6, 1215120), (8, 911340), (9, 810080), (10, 729072), (12, 607560), (15, 486048), (16, 455670), (18, 405040), (20, 364536), (24, 303780), (30, 243024), (32, 227835), (36, 202520), (40, 182268), (45, 162016), (48, 151890), (60, 121512), (61, 119520), (72, 101260), (80, 91134), (83, 87840), (90, 81008), (96, 75945), (120, 60756), (122, 59760), (144, 50630), (160, 45567), (166, 43920), (180, 40504), (183, 39840), (240, 30378), (244, 29880), (249, 29280), (288, 25315), (305, 23904), (332, 21960), (360, 20252), (366, 19920), (415, 17568), (480, 15189), (488, 14940), (498, 14640), (549, 13280), (610, 11952), (664, 10980), (720, 10126), (732, 9960), (747, 9760), (830, 8784), (915, 7968), (976, 7470), (996, 7320), (1098, 6640), (1220, 5976), (1245, 5856), (1328, 5490), (1440, 5063), (1464, 4980), (1494, 4880), (1660, 4392), (1830, 3984), (1952, 3735), (1992, 3660), (2196, 3320), (2440, 2988), (2490, 2928), (2656, 2745)]