400620480

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{683}}^1$

素因数の和:763

約数の個数: 224

約数和(自身を含む): 1401007104

約数和(自身を除く): 1000386624

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 47, 48, 52, 60, 64, 65, 78, 80, 94, 96, 104, 120, 130, 141, 156, 160, 188, 192, 195, 208, 235, 240, 260, 282, 312, 320, 376, 390, 416, 470, 480, 520, 564, 611, 624, 683, 705, 752, 780, 832, 940, 960, 1040, 1128, 1222, 1248, 1366, 1410, 1504, 1560, 1833, 1880, 2049, 2080, 2256, 2444, 2496, 2732, 2820, 3008, 3055, 3120, 3415, 3666, 3760, 4098, 4160, 4512, 4888, 5464, 5640, 6110, 6240, 6830, 7332, 7520, 8196, 8879, 9024, 9165, 9776, 10245, 10928, 11280, 12220, 12480, 13660, 14664, 15040, 16392, 17758, 18330, 19552, 20490, 21856, 22560, 24440, 26637, 27320, 29328, 32101, 32784, 35516, 36660, 39104, 40980, 43712, 44395, 45120, 48880, 53274, 54640, 58656, 64202, 65568, 71032, 73320, 81960, 88790, 96303, 97760, 106548, 109280, 117312, 128404, 131136, 133185, 142064, 146640, 160505, 163920, 177580, 192606, 195520, 213096, 218560, 256808, 266370, 284128, 293280, 321010, 327840, 355160, 385212, 417313, 426192, 481515, 513616, 532740, 568256, 586560, 642020, 655680, 710320, 770424, 834626, 852384, 963030, 1027232, 1065480, 1251939, 1284040, 1420640, 1540848, 1669252, 1704768, 1926060, 2054464, 2086565, 2130960, 2503878, 2568080, 2841280, 3081696, 3338504, 3852120, 4173130, 4261920, 5007756, 5136160, 6163392, 6259695, 6677008, 7704240, 8346260, 8523840, 10015512, 10272320, 12519390, 13354016, 15408480, 16692520, 20031024, 25038780, 26708032, 30816960, 33385040, 40062048, 50077560, 66770080, 80124096, 100155120, 133540160, 200310240, 400620480]

約数ペア:

[(1, 400620480), (2, 200310240), (3, 133540160), (4, 100155120), (5, 80124096), (6, 66770080), (8, 50077560), (10, 40062048), (12, 33385040), (13, 30816960), (15, 26708032), (16, 25038780), (20, 20031024), (24, 16692520), (26, 15408480), (30, 13354016), (32, 12519390), (39, 10272320), (40, 10015512), (47, 8523840), (48, 8346260), (52, 7704240), (60, 6677008), (64, 6259695), (65, 6163392), (78, 5136160), (80, 5007756), (94, 4261920), (96, 4173130), (104, 3852120), (120, 3338504), (130, 3081696), (141, 2841280), (156, 2568080), (160, 2503878), (188, 2130960), (192, 2086565), (195, 2054464), (208, 1926060), (235, 1704768), (240, 1669252), (260, 1540848), (282, 1420640), (312, 1284040), (320, 1251939), (376, 1065480), (390, 1027232), (416, 963030), (470, 852384), (480, 834626), (520, 770424), (564, 710320), (611, 655680), (624, 642020), (683, 586560), (705, 568256), (752, 532740), (780, 513616), (832, 481515), (940, 426192), (960, 417313), (1040, 385212), (1128, 355160), (1222, 327840), (1248, 321010), (1366, 293280), (1410, 284128), (1504, 266370), (1560, 256808), (1833, 218560), (1880, 213096), (2049, 195520), (2080, 192606), (2256, 177580), (2444, 163920), (2496, 160505), (2732, 146640), (2820, 142064), (3008, 133185), (3055, 131136), (3120, 128404), (3415, 117312), (3666, 109280), (3760, 106548), (4098, 97760), (4160, 96303), (4512, 88790), (4888, 81960), (5464, 73320), (5640, 71032), (6110, 65568), (6240, 64202), (6830, 58656), (7332, 54640), (7520, 53274), (8196, 48880), (8879, 45120), (9024, 44395), (9165, 43712), (9776, 40980), (10245, 39104), (10928, 36660), (11280, 35516), (12220, 32784), (12480, 32101), (13660, 29328), (14664, 27320), (15040, 26637), (16392, 24440), (17758, 22560), (18330, 21856), (19552, 20490)]