17828720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:143

約数の個数: 160

約数和(自身を含む): 53329920

約数和(自身を除く): 35501200

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 79, 80, 91, 104, 112, 124, 130, 140, 155, 158, 182, 208, 217, 248, 260, 280, 310, 316, 364, 395, 403, 434, 455, 496, 520, 553, 560, 620, 632, 728, 790, 806, 868, 910, 1027, 1040, 1085, 1106, 1240, 1264, 1456, 1580, 1612, 1736, 1820, 2015, 2054, 2170, 2212, 2449, 2480, 2765, 2821, 3160, 3224, 3472, 3640, 4030, 4108, 4340, 4424, 4898, 5135, 5530, 5642, 6320, 6448, 7189, 7280, 8060, 8216, 8680, 8848, 9796, 10270, 11060, 11284, 12245, 14105, 14378, 16120, 16432, 17143, 17360, 19592, 20540, 22120, 22568, 24490, 28210, 28756, 31837, 32240, 34286, 35945, 39184, 41080, 44240, 45136, 48980, 56420, 57512, 63674, 68572, 71890, 82160, 85715, 97960, 112840, 115024, 127348, 137144, 143780, 159185, 171430, 195920, 222859, 225680, 254696, 274288, 287560, 318370, 342860, 445718, 509392, 575120, 636740, 685720, 891436, 1114295, 1273480, 1371440, 1782872, 2228590, 2546960, 3565744, 4457180, 8914360, 17828720]

約数ペア:

[(1, 17828720), (2, 8914360), (4, 4457180), (5, 3565744), (7, 2546960), (8, 2228590), (10, 1782872), (13, 1371440), (14, 1273480), (16, 1114295), (20, 891436), (26, 685720), (28, 636740), (31, 575120), (35, 509392), (40, 445718), (52, 342860), (56, 318370), (62, 287560), (65, 274288), (70, 254696), (79, 225680), (80, 222859), (91, 195920), (104, 171430), (112, 159185), (124, 143780), (130, 137144), (140, 127348), (155, 115024), (158, 112840), (182, 97960), (208, 85715), (217, 82160), (248, 71890), (260, 68572), (280, 63674), (310, 57512), (316, 56420), (364, 48980), (395, 45136), (403, 44240), (434, 41080), (455, 39184), (496, 35945), (520, 34286), (553, 32240), (560, 31837), (620, 28756), (632, 28210), (728, 24490), (790, 22568), (806, 22120), (868, 20540), (910, 19592), (1027, 17360), (1040, 17143), (1085, 16432), (1106, 16120), (1240, 14378), (1264, 14105), (1456, 12245), (1580, 11284), (1612, 11060), (1736, 10270), (1820, 9796), (2015, 8848), (2054, 8680), (2170, 8216), (2212, 8060), (2449, 7280), (2480, 7189), (2765, 6448), (2821, 6320), (3160, 5642), (3224, 5530), (3472, 5135), (3640, 4898), (4030, 4424), (4108, 4340)]