818351280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{367}}^1$

素因数の和:568

約数の個数: 240

約数和(自身を含む): 2918622720

約数和(自身を除く): 2100271440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 163, 171, 180, 190, 228, 240, 285, 304, 326, 342, 360, 367, 380, 456, 489, 570, 652, 684, 720, 734, 760, 815, 855, 912, 978, 1101, 1140, 1304, 1368, 1467, 1468, 1520, 1630, 1710, 1835, 1956, 2202, 2280, 2445, 2608, 2736, 2934, 2936, 3097, 3260, 3303, 3420, 3670, 3912, 4404, 4560, 4890, 5505, 5868, 5872, 6194, 6520, 6606, 6840, 6973, 7335, 7340, 7824, 8808, 9291, 9780, 11010, 11736, 12388, 13040, 13212, 13680, 13946, 14670, 14680, 15485, 16515, 17616, 18582, 19560, 20919, 22020, 23472, 24776, 26424, 27873, 27892, 29340, 29360, 30970, 33030, 34865, 37164, 39120, 41838, 44040, 46455, 49552, 52848, 55746, 55784, 58680, 59821, 61940, 62757, 66060, 69730, 74328, 83676, 88080, 92910, 104595, 111492, 111568, 117360, 119642, 123880, 125514, 132120, 139365, 139460, 148656, 167352, 179463, 185820, 209190, 222984, 239284, 247760, 251028, 264240, 278730, 278920, 299105, 313785, 334704, 358926, 371640, 418380, 445968, 478568, 502056, 538389, 557460, 557840, 598210, 627570, 717852, 743280, 836760, 897315, 957136, 1004112, 1076778, 1114920, 1136599, 1196420, 1255140, 1435704, 1673520, 1794630, 2153556, 2229840, 2273198, 2392840, 2510280, 2691945, 2871408, 3409797, 3589260, 4307112, 4546396, 4785680, 5020560, 5383890, 5682995, 6819594, 7178520, 8614224, 9092792, 10229391, 10767780, 11365990, 13639188, 14357040, 17048985, 18185584, 20458782, 21535560, 22731980, 27278376, 34097970, 40917564, 43071120, 45463960, 51146955, 54556752, 68195940, 81835128, 90927920, 102293910, 136391880, 163670256, 204587820, 272783760, 409175640, 818351280]

約数ペア:

[(1, 818351280), (2, 409175640), (3, 272783760), (4, 204587820), (5, 163670256), (6, 136391880), (8, 102293910), (9, 90927920), (10, 81835128), (12, 68195940), (15, 54556752), (16, 51146955), (18, 45463960), (19, 43071120), (20, 40917564), (24, 34097970), (30, 27278376), (36, 22731980), (38, 21535560), (40, 20458782), (45, 18185584), (48, 17048985), (57, 14357040), (60, 13639188), (72, 11365990), (76, 10767780), (80, 10229391), (90, 9092792), (95, 8614224), (114, 7178520), (120, 6819594), (144, 5682995), (152, 5383890), (163, 5020560), (171, 4785680), (180, 4546396), (190, 4307112), (228, 3589260), (240, 3409797), (285, 2871408), (304, 2691945), (326, 2510280), (342, 2392840), (360, 2273198), (367, 2229840), (380, 2153556), (456, 1794630), (489, 1673520), (570, 1435704), (652, 1255140), (684, 1196420), (720, 1136599), (734, 1114920), (760, 1076778), (815, 1004112), (855, 957136), (912, 897315), (978, 836760), (1101, 743280), (1140, 717852), (1304, 627570), (1368, 598210), (1467, 557840), (1468, 557460), (1520, 538389), (1630, 502056), (1710, 478568), (1835, 445968), (1956, 418380), (2202, 371640), (2280, 358926), (2445, 334704), (2608, 313785), (2736, 299105), (2934, 278920), (2936, 278730), (3097, 264240), (3260, 251028), (3303, 247760), (3420, 239284), (3670, 222984), (3912, 209190), (4404, 185820), (4560, 179463), (4890, 167352), (5505, 148656), (5868, 139460), (5872, 139365), (6194, 132120), (6520, 125514), (6606, 123880), (6840, 119642), (6973, 117360), (7335, 111568), (7340, 111492), (7824, 104595), (8808, 92910), (9291, 88080), (9780, 83676), (11010, 74328), (11736, 69730), (12388, 66060), (13040, 62757), (13212, 61940), (13680, 59821), (13946, 58680), (14670, 55784), (14680, 55746), (15485, 52848), (16515, 49552), (17616, 46455), (18582, 44040), (19560, 41838), (20919, 39120), (22020, 37164), (23472, 34865), (24776, 33030), (26424, 30970), (27873, 29360), (27892, 29340)]