138206320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:215

約数の個数: 160

約数和(自身を含む): 385689600

約数和(自身を除く): 247483280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 56, 59, 70, 80, 89, 94, 112, 118, 140, 178, 188, 235, 236, 280, 295, 329, 356, 376, 413, 445, 470, 472, 560, 590, 623, 658, 712, 752, 826, 890, 940, 944, 1180, 1246, 1316, 1424, 1645, 1652, 1780, 1880, 2065, 2360, 2492, 2632, 2773, 3115, 3290, 3304, 3560, 3760, 4130, 4183, 4720, 4984, 5251, 5264, 5546, 6230, 6580, 6608, 7120, 8260, 8366, 9968, 10502, 11092, 12460, 13160, 13865, 16520, 16732, 19411, 20915, 21004, 22184, 24920, 26255, 26320, 27730, 29281, 33040, 33464, 36757, 38822, 41830, 42008, 44368, 49840, 52510, 55460, 58562, 66928, 73514, 77644, 83660, 84016, 97055, 105020, 110920, 117124, 146405, 147028, 155288, 167320, 183785, 194110, 210040, 221840, 234248, 246797, 292810, 294056, 310576, 334640, 367570, 388220, 420080, 468496, 493594, 585620, 588112, 735140, 776440, 987188, 1171240, 1233985, 1470280, 1552880, 1727579, 1974376, 2342480, 2467970, 2940560, 3455158, 3948752, 4935940, 6910316, 8637895, 9871880, 13820632, 17275790, 19743760, 27641264, 34551580, 69103160, 138206320]

約数ペア:

[(1, 138206320), (2, 69103160), (4, 34551580), (5, 27641264), (7, 19743760), (8, 17275790), (10, 13820632), (14, 9871880), (16, 8637895), (20, 6910316), (28, 4935940), (35, 3948752), (40, 3455158), (47, 2940560), (56, 2467970), (59, 2342480), (70, 1974376), (80, 1727579), (89, 1552880), (94, 1470280), (112, 1233985), (118, 1171240), (140, 987188), (178, 776440), (188, 735140), (235, 588112), (236, 585620), (280, 493594), (295, 468496), (329, 420080), (356, 388220), (376, 367570), (413, 334640), (445, 310576), (470, 294056), (472, 292810), (560, 246797), (590, 234248), (623, 221840), (658, 210040), (712, 194110), (752, 183785), (826, 167320), (890, 155288), (940, 147028), (944, 146405), (1180, 117124), (1246, 110920), (1316, 105020), (1424, 97055), (1645, 84016), (1652, 83660), (1780, 77644), (1880, 73514), (2065, 66928), (2360, 58562), (2492, 55460), (2632, 52510), (2773, 49840), (3115, 44368), (3290, 42008), (3304, 41830), (3560, 38822), (3760, 36757), (4130, 33464), (4183, 33040), (4720, 29281), (4984, 27730), (5251, 26320), (5264, 26255), (5546, 24920), (6230, 22184), (6580, 21004), (6608, 20915), (7120, 19411), (8260, 16732), (8366, 16520), (9968, 13865), (10502, 13160), (11092, 12460)]