336208640

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{229}}^1$

素因数の和:318

約数の個数: 144

約数和(自身を含む): 857498880

約数和(自身を除く): 521290240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 37, 40, 62, 64, 74, 80, 124, 128, 148, 155, 160, 185, 229, 248, 256, 296, 310, 320, 370, 458, 496, 592, 620, 640, 740, 916, 992, 1145, 1147, 1184, 1240, 1280, 1480, 1832, 1984, 2290, 2294, 2368, 2480, 2960, 3664, 3968, 4580, 4588, 4736, 4960, 5735, 5920, 7099, 7328, 7936, 8473, 9160, 9176, 9472, 9920, 11470, 11840, 14198, 14656, 16946, 18320, 18352, 19840, 22940, 23680, 28396, 29312, 33892, 35495, 36640, 36704, 39680, 42365, 45880, 47360, 56792, 58624, 67784, 70990, 73280, 73408, 84730, 91760, 113584, 135568, 141980, 146560, 146816, 169460, 183520, 227168, 262663, 271136, 283960, 293120, 293632, 338920, 367040, 454336, 525326, 542272, 567920, 677840, 734080, 908672, 1050652, 1084544, 1135840, 1313315, 1355680, 1468160, 1817344, 2101304, 2169088, 2271680, 2626630, 2711360, 4202608, 4543360, 5253260, 5422720, 8405216, 9086720, 10506520, 10845440, 16810432, 21013040, 33620864, 42026080, 67241728, 84052160, 168104320, 336208640]

約数ペア:

[(1, 336208640), (2, 168104320), (4, 84052160), (5, 67241728), (8, 42026080), (10, 33620864), (16, 21013040), (20, 16810432), (31, 10845440), (32, 10506520), (37, 9086720), (40, 8405216), (62, 5422720), (64, 5253260), (74, 4543360), (80, 4202608), (124, 2711360), (128, 2626630), (148, 2271680), (155, 2169088), (160, 2101304), (185, 1817344), (229, 1468160), (248, 1355680), (256, 1313315), (296, 1135840), (310, 1084544), (320, 1050652), (370, 908672), (458, 734080), (496, 677840), (592, 567920), (620, 542272), (640, 525326), (740, 454336), (916, 367040), (992, 338920), (1145, 293632), (1147, 293120), (1184, 283960), (1240, 271136), (1280, 262663), (1480, 227168), (1832, 183520), (1984, 169460), (2290, 146816), (2294, 146560), (2368, 141980), (2480, 135568), (2960, 113584), (3664, 91760), (3968, 84730), (4580, 73408), (4588, 73280), (4736, 70990), (4960, 67784), (5735, 58624), (5920, 56792), (7099, 47360), (7328, 45880), (7936, 42365), (8473, 39680), (9160, 36704), (9176, 36640), (9472, 35495), (9920, 33892), (11470, 29312), (11840, 28396), (14198, 23680), (14656, 22940), (16946, 19840), (18320, 18352)]