491482240

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{227}}^1$

素因数の和:462

約数の個数: 128

約数和(自身を含む): 1255824000

約数和(自身を除く): 764341760

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 199, 227, 272, 320, 340, 398, 454, 544, 640, 680, 796, 908, 995, 1088, 1135, 1360, 1592, 1816, 1990, 2176, 2270, 2720, 3184, 3383, 3632, 3859, 3980, 4540, 5440, 6368, 6766, 7264, 7718, 7960, 9080, 10880, 12736, 13532, 14528, 15436, 15920, 16915, 18160, 19295, 25472, 27064, 29056, 30872, 31840, 33830, 36320, 38590, 45173, 54128, 61744, 63680, 67660, 72640, 77180, 90346, 108256, 123488, 127360, 135320, 145280, 154360, 180692, 216512, 225865, 246976, 270640, 308720, 361384, 433024, 451730, 493952, 541280, 617440, 722768, 767941, 903460, 1082560, 1234880, 1445536, 1535882, 1806920, 2165120, 2469760, 2891072, 3071764, 3613840, 3839705, 5782144, 6143528, 7227680, 7679410, 12287056, 14455360, 15358820, 24574112, 28910720, 30717640, 49148224, 61435280, 98296448, 122870560, 245741120, 491482240]

約数ペア:

[(1, 491482240), (2, 245741120), (4, 122870560), (5, 98296448), (8, 61435280), (10, 49148224), (16, 30717640), (17, 28910720), (20, 24574112), (32, 15358820), (34, 14455360), (40, 12287056), (64, 7679410), (68, 7227680), (80, 6143528), (85, 5782144), (128, 3839705), (136, 3613840), (160, 3071764), (170, 2891072), (199, 2469760), (227, 2165120), (272, 1806920), (320, 1535882), (340, 1445536), (398, 1234880), (454, 1082560), (544, 903460), (640, 767941), (680, 722768), (796, 617440), (908, 541280), (995, 493952), (1088, 451730), (1135, 433024), (1360, 361384), (1592, 308720), (1816, 270640), (1990, 246976), (2176, 225865), (2270, 216512), (2720, 180692), (3184, 154360), (3383, 145280), (3632, 135320), (3859, 127360), (3980, 123488), (4540, 108256), (5440, 90346), (6368, 77180), (6766, 72640), (7264, 67660), (7718, 63680), (7960, 61744), (9080, 54128), (10880, 45173), (12736, 38590), (13532, 36320), (14528, 33830), (15436, 31840), (15920, 30872), (16915, 29056), (18160, 27064), (19295, 25472)]