64213760

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1$

素因数の和:278

約数の個数: 144

約数和(自身を含む): 176160096

約数和(自身を除く): 111946336

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 64, 65, 68, 80, 85, 104, 128, 130, 136, 160, 170, 208, 221, 227, 256, 260, 272, 320, 340, 416, 442, 454, 520, 544, 640, 680, 832, 884, 908, 1040, 1088, 1105, 1135, 1280, 1360, 1664, 1768, 1816, 2080, 2176, 2210, 2270, 2720, 2951, 3328, 3536, 3632, 3859, 4160, 4352, 4420, 4540, 5440, 5902, 7072, 7264, 7718, 8320, 8840, 9080, 10880, 11804, 14144, 14528, 14755, 15436, 16640, 17680, 18160, 19295, 21760, 23608, 28288, 29056, 29510, 30872, 35360, 36320, 38590, 47216, 50167, 56576, 58112, 59020, 61744, 70720, 72640, 77180, 94432, 100334, 118040, 123488, 141440, 145280, 154360, 188864, 200668, 236080, 246976, 250835, 282880, 290560, 308720, 377728, 401336, 472160, 493952, 501670, 617440, 755456, 802672, 944320, 987904, 1003340, 1234880, 1605344, 1888640, 2006680, 2469760, 3210688, 3777280, 4013360, 4939520, 6421376, 8026720, 12842752, 16053440, 32106880, 64213760]

約数ペア:

[(1, 64213760), (2, 32106880), (4, 16053440), (5, 12842752), (8, 8026720), (10, 6421376), (13, 4939520), (16, 4013360), (17, 3777280), (20, 3210688), (26, 2469760), (32, 2006680), (34, 1888640), (40, 1605344), (52, 1234880), (64, 1003340), (65, 987904), (68, 944320), (80, 802672), (85, 755456), (104, 617440), (128, 501670), (130, 493952), (136, 472160), (160, 401336), (170, 377728), (208, 308720), (221, 290560), (227, 282880), (256, 250835), (260, 246976), (272, 236080), (320, 200668), (340, 188864), (416, 154360), (442, 145280), (454, 141440), (520, 123488), (544, 118040), (640, 100334), (680, 94432), (832, 77180), (884, 72640), (908, 70720), (1040, 61744), (1088, 59020), (1105, 58112), (1135, 56576), (1280, 50167), (1360, 47216), (1664, 38590), (1768, 36320), (1816, 35360), (2080, 30872), (2176, 29510), (2210, 29056), (2270, 28288), (2720, 23608), (2951, 21760), (3328, 19295), (3536, 18160), (3632, 17680), (3859, 16640), (4160, 15436), (4352, 14755), (4420, 14528), (4540, 14144), (5440, 11804), (5902, 10880), (7072, 9080), (7264, 8840), (7718, 8320)]