64921640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{593}}^1$

素因数の和:651

約数の個数: 128

約数和(自身を含む): 184757760

約数和(自身を除く): 119836120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 23, 28, 34, 35, 40, 46, 56, 68, 70, 85, 92, 115, 119, 136, 140, 161, 170, 184, 230, 238, 280, 322, 340, 391, 460, 476, 593, 595, 644, 680, 782, 805, 920, 952, 1186, 1190, 1288, 1564, 1610, 1955, 2372, 2380, 2737, 2965, 3128, 3220, 3910, 4151, 4744, 4760, 5474, 5930, 6440, 7820, 8302, 10081, 10948, 11860, 13639, 13685, 15640, 16604, 20162, 20755, 21896, 23720, 27278, 27370, 33208, 40324, 41510, 50405, 54556, 54740, 68195, 70567, 80648, 83020, 95473, 100810, 109112, 109480, 136390, 141134, 166040, 190946, 201620, 231863, 272780, 282268, 352835, 381892, 403240, 463726, 477365, 545560, 564536, 705670, 763784, 927452, 954730, 1159315, 1411340, 1623041, 1854904, 1909460, 2318630, 2822680, 3246082, 3818920, 4637260, 6492164, 8115205, 9274520, 12984328, 16230410, 32460820, 64921640]

約数ペア:

[(1, 64921640), (2, 32460820), (4, 16230410), (5, 12984328), (7, 9274520), (8, 8115205), (10, 6492164), (14, 4637260), (17, 3818920), (20, 3246082), (23, 2822680), (28, 2318630), (34, 1909460), (35, 1854904), (40, 1623041), (46, 1411340), (56, 1159315), (68, 954730), (70, 927452), (85, 763784), (92, 705670), (115, 564536), (119, 545560), (136, 477365), (140, 463726), (161, 403240), (170, 381892), (184, 352835), (230, 282268), (238, 272780), (280, 231863), (322, 201620), (340, 190946), (391, 166040), (460, 141134), (476, 136390), (593, 109480), (595, 109112), (644, 100810), (680, 95473), (782, 83020), (805, 80648), (920, 70567), (952, 68195), (1186, 54740), (1190, 54556), (1288, 50405), (1564, 41510), (1610, 40324), (1955, 33208), (2372, 27370), (2380, 27278), (2737, 23720), (2965, 21896), (3128, 20755), (3220, 20162), (3910, 16604), (4151, 15640), (4744, 13685), (4760, 13639), (5474, 11860), (5930, 10948), (6440, 10081), (7820, 8302)]