40816080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{683}}^1$

素因数の和:785

約数の個数: 120

約数和(自身を含む): 138928608

約数和(自身を除く): 98112528

約数列:

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

約数ペア:

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