258234080

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:221

約数の個数: 192

約数和(自身を含む): 712514880

約数和(自身を除く): 454280800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 65, 67, 68, 80, 85, 104, 109, 130, 134, 136, 160, 170, 208, 218, 221, 260, 268, 272, 335, 340, 416, 436, 442, 520, 536, 544, 545, 670, 680, 871, 872, 884, 1040, 1072, 1090, 1105, 1139, 1340, 1360, 1417, 1742, 1744, 1768, 1853, 2080, 2144, 2180, 2210, 2278, 2680, 2720, 2834, 3484, 3488, 3536, 3706, 4355, 4360, 4420, 4556, 5360, 5668, 5695, 6968, 7072, 7085, 7303, 7412, 8710, 8720, 8840, 9112, 9265, 10720, 11336, 11390, 13936, 14170, 14606, 14807, 14824, 17420, 17440, 17680, 18224, 18530, 22672, 22780, 24089, 27872, 28340, 29212, 29614, 29648, 34840, 35360, 36448, 36515, 37060, 45344, 45560, 48178, 56680, 58424, 59228, 59296, 69680, 73030, 74035, 74120, 91120, 94939, 96356, 113360, 116848, 118456, 120445, 124151, 139360, 146060, 148070, 148240, 182240, 189878, 192712, 226720, 233696, 236912, 240890, 248302, 292120, 296140, 296480, 379756, 385424, 473824, 474695, 481780, 496604, 584240, 592280, 620755, 759512, 770848, 949390, 963560, 993208, 1168480, 1184560, 1241510, 1519024, 1613963, 1898780, 1927120, 1986416, 2369120, 2483020, 3038048, 3227926, 3797560, 3854240, 3972832, 4966040, 6455852, 7595120, 8069815, 9932080, 12911704, 15190240, 16139630, 19864160, 25823408, 32279260, 51646816, 64558520, 129117040, 258234080]

約数ペア:

[(1, 258234080), (2, 129117040), (4, 64558520), (5, 51646816), (8, 32279260), (10, 25823408), (13, 19864160), (16, 16139630), (17, 15190240), (20, 12911704), (26, 9932080), (32, 8069815), (34, 7595120), (40, 6455852), (52, 4966040), (65, 3972832), (67, 3854240), (68, 3797560), (80, 3227926), (85, 3038048), (104, 2483020), (109, 2369120), (130, 1986416), (134, 1927120), (136, 1898780), (160, 1613963), (170, 1519024), (208, 1241510), (218, 1184560), (221, 1168480), (260, 993208), (268, 963560), (272, 949390), (335, 770848), (340, 759512), (416, 620755), (436, 592280), (442, 584240), (520, 496604), (536, 481780), (544, 474695), (545, 473824), (670, 385424), (680, 379756), (871, 296480), (872, 296140), (884, 292120), (1040, 248302), (1072, 240890), (1090, 236912), (1105, 233696), (1139, 226720), (1340, 192712), (1360, 189878), (1417, 182240), (1742, 148240), (1744, 148070), (1768, 146060), (1853, 139360), (2080, 124151), (2144, 120445), (2180, 118456), (2210, 116848), (2278, 113360), (2680, 96356), (2720, 94939), (2834, 91120), (3484, 74120), (3488, 74035), (3536, 73030), (3706, 69680), (4355, 59296), (4360, 59228), (4420, 58424), (4556, 56680), (5360, 48178), (5668, 45560), (5695, 45344), (6968, 37060), (7072, 36515), (7085, 36448), (7303, 35360), (7412, 34840), (8710, 29648), (8720, 29614), (8840, 29212), (9112, 28340), (9265, 27872), (10720, 24089), (11336, 22780), (11390, 22672), (13936, 18530), (14170, 18224), (14606, 17680), (14807, 17440), (14824, 17420)]