388444680

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{379}}^1$

素因数の和:485

約数の個数: 256

約数和(自身を含む): 1417248000

約数和(自身を除く): 1028803320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 73, 78, 90, 104, 108, 117, 120, 130, 135, 146, 156, 180, 195, 216, 219, 234, 260, 270, 292, 312, 351, 360, 365, 379, 390, 438, 468, 520, 540, 584, 585, 657, 702, 730, 758, 780, 876, 936, 949, 1080, 1095, 1137, 1170, 1314, 1404, 1460, 1516, 1560, 1752, 1755, 1895, 1898, 1971, 2190, 2274, 2340, 2628, 2808, 2847, 2920, 3032, 3285, 3411, 3510, 3790, 3796, 3942, 4380, 4548, 4680, 4745, 4927, 5256, 5685, 5694, 6570, 6822, 7020, 7580, 7592, 7884, 8541, 8760, 9096, 9490, 9854, 9855, 10233, 11370, 11388, 13140, 13644, 14040, 14235, 14781, 15160, 15768, 17055, 17082, 18980, 19708, 19710, 20466, 22740, 22776, 24635, 25623, 26280, 27288, 27667, 28470, 29562, 34110, 34164, 37960, 39416, 39420, 40932, 42705, 44343, 45480, 49270, 51165, 51246, 55334, 56940, 59124, 68220, 68328, 73905, 78840, 81864, 83001, 85410, 88686, 98540, 102330, 102492, 110668, 113880, 118248, 128115, 133029, 136440, 138335, 147810, 166002, 170820, 177372, 197080, 204660, 204984, 221336, 221715, 249003, 256230, 266058, 276670, 295620, 332004, 341640, 354744, 359671, 409320, 415005, 443430, 498006, 512460, 532116, 553340, 591240, 664008, 665145, 719342, 747009, 830010, 886860, 996012, 1024920, 1064232, 1079013, 1106680, 1245015, 1330290, 1438684, 1494018, 1660020, 1773720, 1798355, 1992024, 2158026, 2490030, 2660580, 2877368, 2988036, 3237039, 3320040, 3596710, 3735045, 4316052, 4980060, 5321160, 5395065, 5976072, 6474078, 7193420, 7470090, 8632104, 9711117, 9960120, 10790130, 12948156, 14386840, 14940180, 16185195, 19422234, 21580260, 25896312, 29880360, 32370390, 38844468, 43160520, 48555585, 64740780, 77688936, 97111170, 129481560, 194222340, 388444680]

約数ペア:

[(1, 388444680), (2, 194222340), (3, 129481560), (4, 97111170), (5, 77688936), (6, 64740780), (8, 48555585), (9, 43160520), (10, 38844468), (12, 32370390), (13, 29880360), (15, 25896312), (18, 21580260), (20, 19422234), (24, 16185195), (26, 14940180), (27, 14386840), (30, 12948156), (36, 10790130), (39, 9960120), (40, 9711117), (45, 8632104), (52, 7470090), (54, 7193420), (60, 6474078), (65, 5976072), (72, 5395065), (73, 5321160), (78, 4980060), (90, 4316052), (104, 3735045), (108, 3596710), (117, 3320040), (120, 3237039), (130, 2988036), (135, 2877368), (146, 2660580), (156, 2490030), (180, 2158026), (195, 1992024), (216, 1798355), (219, 1773720), (234, 1660020), (260, 1494018), (270, 1438684), (292, 1330290), (312, 1245015), (351, 1106680), (360, 1079013), (365, 1064232), (379, 1024920), (390, 996012), (438, 886860), (468, 830010), (520, 747009), (540, 719342), (584, 665145), (585, 664008), (657, 591240), (702, 553340), (730, 532116), (758, 512460), (780, 498006), (876, 443430), (936, 415005), (949, 409320), (1080, 359671), (1095, 354744), (1137, 341640), (1170, 332004), (1314, 295620), (1404, 276670), (1460, 266058), (1516, 256230), (1560, 249003), (1752, 221715), (1755, 221336), (1895, 204984), (1898, 204660), (1971, 197080), (2190, 177372), (2274, 170820), (2340, 166002), (2628, 147810), (2808, 138335), (2847, 136440), (2920, 133029), (3032, 128115), (3285, 118248), (3411, 113880), (3510, 110668), (3790, 102492), (3796, 102330), (3942, 98540), (4380, 88686), (4548, 85410), (4680, 83001), (4745, 81864), (4927, 78840), (5256, 73905), (5685, 68328), (5694, 68220), (6570, 59124), (6822, 56940), (7020, 55334), (7580, 51246), (7592, 51165), (7884, 49270), (8541, 45480), (8760, 44343), (9096, 42705), (9490, 40932), (9854, 39420), (9855, 39416), (10233, 37960), (11370, 34164), (11388, 34110), (13140, 29562), (13644, 28470), (14040, 27667), (14235, 27288), (14781, 26280), (15160, 25623), (15768, 24635), (17055, 22776), (17082, 22740), (18980, 20466), (19708, 19710)]