1945387640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{2837}}^1$

素因数の和:2965

約数の個数: 128

約数和(自身を含む): 5231001600

約数和(自身を除く): 3285613960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 79, 124, 140, 155, 158, 217, 248, 280, 310, 316, 395, 434, 553, 620, 632, 790, 868, 1085, 1106, 1240, 1580, 1736, 2170, 2212, 2449, 2765, 2837, 3160, 4340, 4424, 4898, 5530, 5674, 8680, 9796, 11060, 11348, 12245, 14185, 17143, 19592, 19859, 22120, 22696, 24490, 28370, 34286, 39718, 48980, 56740, 68572, 79436, 85715, 87947, 97960, 99295, 113480, 137144, 158872, 171430, 175894, 198590, 224123, 342860, 351788, 397180, 439735, 448246, 615629, 685720, 703576, 794360, 879470, 896492, 1120615, 1231258, 1568861, 1758940, 1792984, 2241230, 2462516, 3078145, 3137722, 3517880, 4482460, 4925032, 6156290, 6275444, 6947813, 7844305, 8964920, 12312580, 12550888, 13895626, 15688610, 24625160, 27791252, 31377220, 34739065, 48634691, 55582504, 62754440, 69478130, 97269382, 138956260, 194538764, 243173455, 277912520, 389077528, 486346910, 972693820, 1945387640]

約数ペア:

[(1, 1945387640), (2, 972693820), (4, 486346910), (5, 389077528), (7, 277912520), (8, 243173455), (10, 194538764), (14, 138956260), (20, 97269382), (28, 69478130), (31, 62754440), (35, 55582504), (40, 48634691), (56, 34739065), (62, 31377220), (70, 27791252), (79, 24625160), (124, 15688610), (140, 13895626), (155, 12550888), (158, 12312580), (217, 8964920), (248, 7844305), (280, 6947813), (310, 6275444), (316, 6156290), (395, 4925032), (434, 4482460), (553, 3517880), (620, 3137722), (632, 3078145), (790, 2462516), (868, 2241230), (1085, 1792984), (1106, 1758940), (1240, 1568861), (1580, 1231258), (1736, 1120615), (2170, 896492), (2212, 879470), (2449, 794360), (2765, 703576), (2837, 685720), (3160, 615629), (4340, 448246), (4424, 439735), (4898, 397180), (5530, 351788), (5674, 342860), (8680, 224123), (9796, 198590), (11060, 175894), (11348, 171430), (12245, 158872), (14185, 137144), (17143, 113480), (19592, 99295), (19859, 97960), (22120, 87947), (22696, 85715), (24490, 79436), (28370, 68572), (34286, 56740), (39718, 48980)]