285911880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{281}}^1$

素因数の和:495

約数の個数: 128

約数和(自身を含む): 881193600

約数和(自身を除く): 595281720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 139, 183, 244, 278, 281, 305, 366, 417, 488, 556, 562, 610, 695, 732, 834, 843, 915, 1112, 1124, 1220, 1390, 1405, 1464, 1668, 1686, 1830, 2085, 2248, 2440, 2780, 2810, 3336, 3372, 3660, 4170, 4215, 5560, 5620, 6744, 7320, 8340, 8430, 8479, 11240, 16680, 16860, 16958, 17141, 25437, 33720, 33916, 34282, 39059, 42395, 50874, 51423, 67832, 68564, 78118, 84790, 85705, 101748, 102846, 117177, 127185, 137128, 156236, 169580, 171410, 195295, 203496, 205692, 234354, 254370, 257115, 312472, 339160, 342820, 390590, 411384, 468708, 508740, 514230, 585885, 685640, 781180, 937416, 1017480, 1028460, 1171770, 1562360, 2056920, 2343540, 2382599, 4687080, 4765198, 7147797, 9530396, 11912995, 14295594, 19060792, 23825990, 28591188, 35738985, 47651980, 57182376, 71477970, 95303960, 142955940, 285911880]

約数ペア:

[(1, 285911880), (2, 142955940), (3, 95303960), (4, 71477970), (5, 57182376), (6, 47651980), (8, 35738985), (10, 28591188), (12, 23825990), (15, 19060792), (20, 14295594), (24, 11912995), (30, 9530396), (40, 7147797), (60, 4765198), (61, 4687080), (120, 2382599), (122, 2343540), (139, 2056920), (183, 1562360), (244, 1171770), (278, 1028460), (281, 1017480), (305, 937416), (366, 781180), (417, 685640), (488, 585885), (556, 514230), (562, 508740), (610, 468708), (695, 411384), (732, 390590), (834, 342820), (843, 339160), (915, 312472), (1112, 257115), (1124, 254370), (1220, 234354), (1390, 205692), (1405, 203496), (1464, 195295), (1668, 171410), (1686, 169580), (1830, 156236), (2085, 137128), (2248, 127185), (2440, 117177), (2780, 102846), (2810, 101748), (3336, 85705), (3372, 84790), (3660, 78118), (4170, 68564), (4215, 67832), (5560, 51423), (5620, 50874), (6744, 42395), (7320, 39059), (8340, 34282), (8430, 33916), (8479, 33720), (11240, 25437), (16680, 17141), (16860, 16958)]