15881880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:138

約数の個数: 192

約数和(自身を含む): 57702240

約数和(自身を除く): 41820360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 37, 40, 42, 49, 56, 60, 70, 73, 74, 84, 98, 105, 111, 120, 140, 146, 147, 148, 168, 185, 196, 210, 219, 222, 245, 259, 280, 292, 294, 296, 365, 370, 392, 420, 438, 444, 490, 511, 518, 555, 584, 588, 730, 735, 740, 777, 840, 876, 888, 980, 1022, 1036, 1095, 1110, 1176, 1295, 1460, 1470, 1480, 1533, 1554, 1752, 1813, 1960, 2044, 2072, 2190, 2220, 2555, 2590, 2701, 2920, 2940, 3066, 3108, 3577, 3626, 3885, 4088, 4380, 4440, 5110, 5180, 5402, 5439, 5880, 6132, 6216, 7154, 7252, 7665, 7770, 8103, 8760, 9065, 10220, 10360, 10731, 10804, 10878, 12264, 13505, 14308, 14504, 15330, 15540, 16206, 17885, 18130, 18907, 20440, 21462, 21608, 21756, 27010, 27195, 28616, 30660, 31080, 32412, 35770, 36260, 37814, 40515, 42924, 43512, 53655, 54020, 54390, 56721, 61320, 64824, 71540, 72520, 75628, 81030, 85848, 94535, 107310, 108040, 108780, 113442, 132349, 143080, 151256, 162060, 189070, 214620, 217560, 226884, 264698, 283605, 324120, 378140, 397047, 429240, 453768, 529396, 567210, 661745, 756280, 794094, 1058792, 1134420, 1323490, 1588188, 1985235, 2268840, 2646980, 3176376, 3970470, 5293960, 7940940, 15881880]

約数ペア:

[(1, 15881880), (2, 7940940), (3, 5293960), (4, 3970470), (5, 3176376), (6, 2646980), (7, 2268840), (8, 1985235), (10, 1588188), (12, 1323490), (14, 1134420), (15, 1058792), (20, 794094), (21, 756280), (24, 661745), (28, 567210), (30, 529396), (35, 453768), (37, 429240), (40, 397047), (42, 378140), (49, 324120), (56, 283605), (60, 264698), (70, 226884), (73, 217560), (74, 214620), (84, 189070), (98, 162060), (105, 151256), (111, 143080), (120, 132349), (140, 113442), (146, 108780), (147, 108040), (148, 107310), (168, 94535), (185, 85848), (196, 81030), (210, 75628), (219, 72520), (222, 71540), (245, 64824), (259, 61320), (280, 56721), (292, 54390), (294, 54020), (296, 53655), (365, 43512), (370, 42924), (392, 40515), (420, 37814), (438, 36260), (444, 35770), (490, 32412), (511, 31080), (518, 30660), (555, 28616), (584, 27195), (588, 27010), (730, 21756), (735, 21608), (740, 21462), (777, 20440), (840, 18907), (876, 18130), (888, 17885), (980, 16206), (1022, 15540), (1036, 15330), (1095, 14504), (1110, 14308), (1176, 13505), (1295, 12264), (1460, 10878), (1470, 10804), (1480, 10731), (1533, 10360), (1554, 10220), (1752, 9065), (1813, 8760), (1960, 8103), (2044, 7770), (2072, 7665), (2190, 7252), (2220, 7154), (2555, 6216), (2590, 6132), (2701, 5880), (2920, 5439), (2940, 5402), (3066, 5180), (3108, 5110), (3577, 4440), (3626, 4380), (3885, 4088)]