1638863820

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{4523}}^1$

素因数の和:4613

約数の個数: 192

約数和(自身を含む): 5654638080

約数和(自身を除く): 4015774260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 61, 66, 90, 99, 108, 110, 122, 132, 135, 165, 180, 183, 198, 220, 244, 270, 297, 305, 330, 366, 396, 495, 540, 549, 594, 610, 660, 671, 732, 915, 990, 1098, 1188, 1220, 1342, 1485, 1647, 1830, 1980, 2013, 2196, 2684, 2745, 2970, 3294, 3355, 3660, 4026, 4523, 5490, 5940, 6039, 6588, 6710, 8052, 8235, 9046, 10065, 10980, 12078, 13420, 13569, 16470, 18092, 18117, 20130, 22615, 24156, 27138, 30195, 32940, 36234, 40260, 40707, 45230, 49753, 54276, 60390, 67845, 72468, 81414, 90460, 90585, 99506, 120780, 122121, 135690, 149259, 162828, 181170, 199012, 203535, 244242, 248765, 271380, 275903, 298518, 362340, 407070, 447777, 488484, 497530, 551806, 597036, 610605, 746295, 814140, 827709, 895554, 995060, 1103612, 1221210, 1343331, 1379515, 1492590, 1655418, 1791108, 2238885, 2442420, 2483127, 2686662, 2759030, 2985180, 3034933, 3310836, 4138545, 4477770, 4966254, 5373324, 5518060, 6069866, 6716655, 7449381, 8277090, 8955540, 9104799, 9932508, 12139732, 12415635, 13433310, 14898762, 15174665, 16554180, 18209598, 24831270, 26866620, 27314397, 29797524, 30349330, 36419196, 37246905, 45523995, 49662540, 54628794, 60698660, 74493810, 81943191, 91047990, 109257588, 136571985, 148987620, 163886382, 182095980, 273143970, 327772764, 409715955, 546287940, 819431910, 1638863820]

約数ペア:

[(1, 1638863820), (2, 819431910), (3, 546287940), (4, 409715955), (5, 327772764), (6, 273143970), (9, 182095980), (10, 163886382), (11, 148987620), (12, 136571985), (15, 109257588), (18, 91047990), (20, 81943191), (22, 74493810), (27, 60698660), (30, 54628794), (33, 49662540), (36, 45523995), (44, 37246905), (45, 36419196), (54, 30349330), (55, 29797524), (60, 27314397), (61, 26866620), (66, 24831270), (90, 18209598), (99, 16554180), (108, 15174665), (110, 14898762), (122, 13433310), (132, 12415635), (135, 12139732), (165, 9932508), (180, 9104799), (183, 8955540), (198, 8277090), (220, 7449381), (244, 6716655), (270, 6069866), (297, 5518060), (305, 5373324), (330, 4966254), (366, 4477770), (396, 4138545), (495, 3310836), (540, 3034933), (549, 2985180), (594, 2759030), (610, 2686662), (660, 2483127), (671, 2442420), (732, 2238885), (915, 1791108), (990, 1655418), (1098, 1492590), (1188, 1379515), (1220, 1343331), (1342, 1221210), (1485, 1103612), (1647, 995060), (1830, 895554), (1980, 827709), (2013, 814140), (2196, 746295), (2684, 610605), (2745, 597036), (2970, 551806), (3294, 497530), (3355, 488484), (3660, 447777), (4026, 407070), (4523, 362340), (5490, 298518), (5940, 275903), (6039, 271380), (6588, 248765), (6710, 244242), (8052, 203535), (8235, 199012), (9046, 181170), (10065, 162828), (10980, 149259), (12078, 135690), (13420, 122121), (13569, 120780), (16470, 99506), (18092, 90585), (18117, 90460), (20130, 81414), (22615, 72468), (24156, 67845), (27138, 60390), (30195, 54276), (32940, 49753), (36234, 45230), (40260, 40707)]