79963240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1$

素因数の和:299

約数の個数: 128

約数和(自身を含む): 221149440

約数和(自身を除く): 141186200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 107, 119, 136, 140, 157, 170, 214, 238, 280, 314, 340, 428, 476, 535, 595, 628, 680, 749, 785, 856, 952, 1070, 1099, 1190, 1256, 1498, 1570, 1819, 2140, 2198, 2380, 2669, 2996, 3140, 3638, 3745, 4280, 4396, 4760, 5338, 5495, 5992, 6280, 7276, 7490, 8792, 9095, 10676, 10990, 12733, 13345, 14552, 14980, 16799, 18190, 18683, 21352, 21980, 25466, 26690, 29960, 33598, 36380, 37366, 43960, 50932, 53380, 63665, 67196, 72760, 74732, 83995, 93415, 101864, 106760, 117593, 127330, 134392, 149464, 167990, 186830, 235186, 254660, 285583, 335980, 373660, 470372, 509320, 571166, 587965, 671960, 747320, 940744, 1142332, 1175930, 1427915, 1999081, 2284664, 2351860, 2855830, 3998162, 4703720, 5711660, 7996324, 9995405, 11423320, 15992648, 19990810, 39981620, 79963240]

約数ペア:

[(1, 79963240), (2, 39981620), (4, 19990810), (5, 15992648), (7, 11423320), (8, 9995405), (10, 7996324), (14, 5711660), (17, 4703720), (20, 3998162), (28, 2855830), (34, 2351860), (35, 2284664), (40, 1999081), (56, 1427915), (68, 1175930), (70, 1142332), (85, 940744), (107, 747320), (119, 671960), (136, 587965), (140, 571166), (157, 509320), (170, 470372), (214, 373660), (238, 335980), (280, 285583), (314, 254660), (340, 235186), (428, 186830), (476, 167990), (535, 149464), (595, 134392), (628, 127330), (680, 117593), (749, 106760), (785, 101864), (856, 93415), (952, 83995), (1070, 74732), (1099, 72760), (1190, 67196), (1256, 63665), (1498, 53380), (1570, 50932), (1819, 43960), (2140, 37366), (2198, 36380), (2380, 33598), (2669, 29960), (2996, 26690), (3140, 25466), (3638, 21980), (3745, 21352), (4280, 18683), (4396, 18190), (4760, 16799), (5338, 14980), (5495, 14552), (5992, 13345), (6280, 12733), (7276, 10990), (7490, 10676), (8792, 9095)]