80028720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2711}}^1$

素因数の和:2771

約数の個数: 120

約数和(自身を含む): 275419872

約数和(自身を除く): 195391152

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 41, 45, 48, 60, 72, 80, 82, 90, 120, 123, 144, 164, 180, 205, 240, 246, 328, 360, 369, 410, 492, 615, 656, 720, 738, 820, 984, 1230, 1476, 1640, 1845, 1968, 2460, 2711, 2952, 3280, 3690, 4920, 5422, 5904, 7380, 8133, 9840, 10844, 13555, 14760, 16266, 21688, 24399, 27110, 29520, 32532, 40665, 43376, 48798, 54220, 65064, 81330, 97596, 108440, 111151, 121995, 130128, 162660, 195192, 216880, 222302, 243990, 325320, 333453, 390384, 444604, 487980, 555755, 650640, 666906, 889208, 975960, 1000359, 1111510, 1333812, 1667265, 1778416, 1951920, 2000718, 2223020, 2667624, 3334530, 4001436, 4446040, 5001795, 5335248, 6669060, 8002872, 8892080, 10003590, 13338120, 16005744, 20007180, 26676240, 40014360, 80028720]

約数ペア:

[(1, 80028720), (2, 40014360), (3, 26676240), (4, 20007180), (5, 16005744), (6, 13338120), (8, 10003590), (9, 8892080), (10, 8002872), (12, 6669060), (15, 5335248), (16, 5001795), (18, 4446040), (20, 4001436), (24, 3334530), (30, 2667624), (36, 2223020), (40, 2000718), (41, 1951920), (45, 1778416), (48, 1667265), (60, 1333812), (72, 1111510), (80, 1000359), (82, 975960), (90, 889208), (120, 666906), (123, 650640), (144, 555755), (164, 487980), (180, 444604), (205, 390384), (240, 333453), (246, 325320), (328, 243990), (360, 222302), (369, 216880), (410, 195192), (492, 162660), (615, 130128), (656, 121995), (720, 111151), (738, 108440), (820, 97596), (984, 81330), (1230, 65064), (1476, 54220), (1640, 48798), (1845, 43376), (1968, 40665), (2460, 32532), (2711, 29520), (2952, 27110), (3280, 24399), (3690, 21688), (4920, 16266), (5422, 14760), (5904, 13555), (7380, 10844), (8133, 9840)]