81632160

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{683}}^1$

素因数の和:787

約数の個数: 144

約数和(自身を含む): 282338784

約数和(自身を除く): 200706624

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, 72, 80, 83, 90, 96, 120, 144, 160, 166, 180, 240, 249, 288, 332, 360, 415, 480, 498, 664, 683, 720, 747, 830, 996, 1245, 1328, 1366, 1440, 1494, 1660, 1992, 2049, 2490, 2656, 2732, 2988, 3320, 3415, 3735, 3984, 4098, 4980, 5464, 5976, 6147, 6640, 6830, 7470, 7968, 8196, 9960, 10245, 10928, 11952, 12294, 13280, 13660, 14940, 16392, 19920, 20490, 21856, 23904, 24588, 27320, 29880, 30735, 32784, 39840, 40980, 49176, 54640, 56689, 59760, 61470, 65568, 81960, 98352, 109280, 113378, 119520, 122940, 163920, 170067, 196704, 226756, 245880, 283445, 327840, 340134, 453512, 491760, 510201, 566890, 680268, 850335, 907024, 983520, 1020402, 1133780, 1360536, 1700670, 1814048, 2040804, 2267560, 2551005, 2721072, 3401340, 4081608, 4535120, 5102010, 5442144, 6802680, 8163216, 9070240, 10204020, 13605360, 16326432, 20408040, 27210720, 40816080, 81632160]

約数ペア:

[(1, 81632160), (2, 40816080), (3, 27210720), (4, 20408040), (5, 16326432), (6, 13605360), (8, 10204020), (9, 9070240), (10, 8163216), (12, 6802680), (15, 5442144), (16, 5102010), (18, 4535120), (20, 4081608), (24, 3401340), (30, 2721072), (32, 2551005), (36, 2267560), (40, 2040804), (45, 1814048), (48, 1700670), (60, 1360536), (72, 1133780), (80, 1020402), (83, 983520), (90, 907024), (96, 850335), (120, 680268), (144, 566890), (160, 510201), (166, 491760), (180, 453512), (240, 340134), (249, 327840), (288, 283445), (332, 245880), (360, 226756), (415, 196704), (480, 170067), (498, 163920), (664, 122940), (683, 119520), (720, 113378), (747, 109280), (830, 98352), (996, 81960), (1245, 65568), (1328, 61470), (1366, 59760), (1440, 56689), (1494, 54640), (1660, 49176), (1992, 40980), (2049, 39840), (2490, 32784), (2656, 30735), (2732, 29880), (2988, 27320), (3320, 24588), (3415, 23904), (3735, 21856), (3984, 20490), (4098, 19920), (4980, 16392), (5464, 14940), (5976, 13660), (6147, 13280), (6640, 12294), (6830, 11952), (7470, 10928), (7968, 10245), (8196, 9960)]