1640963880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{379}}^1$

素因数の和:629

約数の個数: 256

約数和(自身を含む): 5800320000

約数和(自身を除く): 4159356120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 211, 216, 228, 270, 285, 342, 360, 379, 380, 422, 456, 513, 540, 570, 633, 684, 758, 760, 844, 855, 1026, 1055, 1080, 1137, 1140, 1266, 1368, 1516, 1688, 1710, 1895, 1899, 2052, 2110, 2274, 2280, 2532, 2565, 3032, 3165, 3411, 3420, 3790, 3798, 4009, 4104, 4220, 4548, 5064, 5130, 5685, 5697, 6330, 6822, 6840, 7201, 7580, 7596, 8018, 8440, 9096, 9495, 10233, 10260, 11370, 11394, 12027, 12660, 13644, 14402, 15160, 15192, 16036, 17055, 18990, 20045, 20466, 20520, 21603, 22740, 22788, 24054, 25320, 27288, 28485, 28804, 32072, 34110, 36005, 36081, 37980, 40090, 40932, 43206, 45480, 45576, 48108, 51165, 56970, 57608, 60135, 64809, 68220, 72010, 72162, 75960, 79969, 80180, 81864, 86412, 96216, 102330, 108015, 108243, 113940, 120270, 129618, 136440, 144020, 144324, 159938, 160360, 172824, 180405, 194427, 204660, 216030, 216486, 227880, 239907, 240540, 259236, 288040, 288648, 319876, 324045, 360810, 388854, 399845, 409320, 432060, 432972, 479814, 481080, 518472, 541215, 639752, 648090, 719721, 721620, 777708, 799690, 864120, 865944, 959628, 972135, 1082430, 1199535, 1296180, 1439442, 1443240, 1519411, 1555416, 1599380, 1919256, 1944270, 2159163, 2164860, 2399070, 2592360, 2878884, 3038822, 3198760, 3598605, 3888540, 4318326, 4329720, 4558233, 4798140, 5757768, 6077644, 7197210, 7597055, 7777080, 8636652, 9116466, 9596280, 10795815, 12155288, 13674699, 14394420, 15194110, 17273304, 18232932, 21591630, 22791165, 27349398, 28788840, 30388220, 36465864, 41024097, 43183260, 45582330, 54698796, 60776440, 68373495, 82048194, 86366520, 91164660, 109397592, 136746990, 164096388, 182329320, 205120485, 273493980, 328192776, 410240970, 546987960, 820481940, 1640963880]

約数ペア:

[(1, 1640963880), (2, 820481940), (3, 546987960), (4, 410240970), (5, 328192776), (6, 273493980), (8, 205120485), (9, 182329320), (10, 164096388), (12, 136746990), (15, 109397592), (18, 91164660), (19, 86366520), (20, 82048194), (24, 68373495), (27, 60776440), (30, 54698796), (36, 45582330), (38, 43183260), (40, 41024097), (45, 36465864), (54, 30388220), (57, 28788840), (60, 27349398), (72, 22791165), (76, 21591630), (90, 18232932), (95, 17273304), (108, 15194110), (114, 14394420), (120, 13674699), (135, 12155288), (152, 10795815), (171, 9596280), (180, 9116466), (190, 8636652), (211, 7777080), (216, 7597055), (228, 7197210), (270, 6077644), (285, 5757768), (342, 4798140), (360, 4558233), (379, 4329720), (380, 4318326), (422, 3888540), (456, 3598605), (513, 3198760), (540, 3038822), (570, 2878884), (633, 2592360), (684, 2399070), (758, 2164860), (760, 2159163), (844, 1944270), (855, 1919256), (1026, 1599380), (1055, 1555416), (1080, 1519411), (1137, 1443240), (1140, 1439442), (1266, 1296180), (1368, 1199535), (1516, 1082430), (1688, 972135), (1710, 959628), (1895, 865944), (1899, 864120), (2052, 799690), (2110, 777708), (2274, 721620), (2280, 719721), (2532, 648090), (2565, 639752), (3032, 541215), (3165, 518472), (3411, 481080), (3420, 479814), (3790, 432972), (3798, 432060), (4009, 409320), (4104, 399845), (4220, 388854), (4548, 360810), (5064, 324045), (5130, 319876), (5685, 288648), (5697, 288040), (6330, 259236), (6822, 240540), (6840, 239907), (7201, 227880), (7580, 216486), (7596, 216030), (8018, 204660), (8440, 194427), (9096, 180405), (9495, 172824), (10233, 160360), (10260, 159938), (11370, 144324), (11394, 144020), (12027, 136440), (12660, 129618), (13644, 120270), (14402, 113940), (15160, 108243), (15192, 108015), (16036, 102330), (17055, 96216), (18990, 86412), (20045, 81864), (20466, 80180), (20520, 79969), (21603, 75960), (22740, 72162), (22788, 72010), (24054, 68220), (25320, 64809), (27288, 60135), (28485, 57608), (28804, 56970), (32072, 51165), (34110, 48108), (36005, 45576), (36081, 45480), (37980, 43206), (40090, 40932)]