344231440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:381

約数の個数: 160

約数和(自身を含む): 959938560

約数和(自身を除く): 615707120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 79, 80, 112, 124, 140, 155, 158, 217, 248, 251, 280, 310, 316, 395, 434, 496, 502, 553, 560, 620, 632, 790, 868, 1004, 1085, 1106, 1240, 1255, 1264, 1580, 1736, 1757, 2008, 2170, 2212, 2449, 2480, 2510, 2765, 3160, 3472, 3514, 4016, 4340, 4424, 4898, 5020, 5530, 6320, 7028, 7781, 8680, 8785, 8848, 9796, 10040, 11060, 12245, 14056, 15562, 17143, 17360, 17570, 19592, 19829, 20080, 22120, 24490, 28112, 31124, 34286, 35140, 38905, 39184, 39658, 44240, 48980, 54467, 62248, 68572, 70280, 77810, 79316, 85715, 97960, 99145, 108934, 124496, 137144, 138803, 140560, 155620, 158632, 171430, 195920, 198290, 217868, 272335, 274288, 277606, 311240, 317264, 342860, 396580, 435736, 544670, 555212, 614699, 622480, 685720, 694015, 793160, 871472, 1089340, 1110424, 1229398, 1371440, 1388030, 1586320, 2178680, 2220848, 2458796, 2776060, 3073495, 4302893, 4357360, 4917592, 5552120, 6146990, 8605786, 9835184, 11104240, 12293980, 17211572, 21514465, 24587960, 34423144, 43028930, 49175920, 68846288, 86057860, 172115720, 344231440]

約数ペア:

[(1, 344231440), (2, 172115720), (4, 86057860), (5, 68846288), (7, 49175920), (8, 43028930), (10, 34423144), (14, 24587960), (16, 21514465), (20, 17211572), (28, 12293980), (31, 11104240), (35, 9835184), (40, 8605786), (56, 6146990), (62, 5552120), (70, 4917592), (79, 4357360), (80, 4302893), (112, 3073495), (124, 2776060), (140, 2458796), (155, 2220848), (158, 2178680), (217, 1586320), (248, 1388030), (251, 1371440), (280, 1229398), (310, 1110424), (316, 1089340), (395, 871472), (434, 793160), (496, 694015), (502, 685720), (553, 622480), (560, 614699), (620, 555212), (632, 544670), (790, 435736), (868, 396580), (1004, 342860), (1085, 317264), (1106, 311240), (1240, 277606), (1255, 274288), (1264, 272335), (1580, 217868), (1736, 198290), (1757, 195920), (2008, 171430), (2170, 158632), (2212, 155620), (2449, 140560), (2480, 138803), (2510, 137144), (2765, 124496), (3160, 108934), (3472, 99145), (3514, 97960), (4016, 85715), (4340, 79316), (4424, 77810), (4898, 70280), (5020, 68572), (5530, 62248), (6320, 54467), (7028, 48980), (7781, 44240), (8680, 39658), (8785, 39184), (8848, 38905), (9796, 35140), (10040, 34286), (11060, 31124), (12245, 28112), (14056, 24490), (15562, 22120), (17143, 20080), (17360, 19829), (17570, 19592)]