71351520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{281}}^1$

素因数の和:345

約数の個数: 144

約数和(自身を含む): 235790352

約数和(自身を除く): 164438832

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 69, 80, 92, 96, 115, 120, 138, 160, 184, 230, 240, 276, 281, 345, 368, 460, 480, 529, 552, 562, 690, 736, 843, 920, 1058, 1104, 1124, 1380, 1405, 1587, 1686, 1840, 2116, 2208, 2248, 2645, 2760, 2810, 3174, 3372, 3680, 4215, 4232, 4496, 5290, 5520, 5620, 6348, 6463, 6744, 7935, 8430, 8464, 8992, 10580, 11040, 11240, 12696, 12926, 13488, 15870, 16860, 16928, 19389, 21160, 22480, 25392, 25852, 26976, 31740, 32315, 33720, 38778, 42320, 44960, 50784, 51704, 63480, 64630, 67440, 77556, 84640, 96945, 103408, 126960, 129260, 134880, 148649, 155112, 193890, 206816, 253920, 258520, 297298, 310224, 387780, 445947, 517040, 594596, 620448, 743245, 775560, 891894, 1034080, 1189192, 1486490, 1551120, 1783788, 2229735, 2378384, 2972980, 3102240, 3567576, 4459470, 4756768, 5945960, 7135152, 8918940, 11891920, 14270304, 17837880, 23783840, 35675760, 71351520]

約数ペア:

[(1, 71351520), (2, 35675760), (3, 23783840), (4, 17837880), (5, 14270304), (6, 11891920), (8, 8918940), (10, 7135152), (12, 5945960), (15, 4756768), (16, 4459470), (20, 3567576), (23, 3102240), (24, 2972980), (30, 2378384), (32, 2229735), (40, 1783788), (46, 1551120), (48, 1486490), (60, 1189192), (69, 1034080), (80, 891894), (92, 775560), (96, 743245), (115, 620448), (120, 594596), (138, 517040), (160, 445947), (184, 387780), (230, 310224), (240, 297298), (276, 258520), (281, 253920), (345, 206816), (368, 193890), (460, 155112), (480, 148649), (529, 134880), (552, 129260), (562, 126960), (690, 103408), (736, 96945), (843, 84640), (920, 77556), (1058, 67440), (1104, 64630), (1124, 63480), (1380, 51704), (1405, 50784), (1587, 44960), (1686, 42320), (1840, 38778), (2116, 33720), (2208, 32315), (2248, 31740), (2645, 26976), (2760, 25852), (2810, 25392), (3174, 22480), (3372, 21160), (3680, 19389), (4215, 16928), (4232, 16860), (4496, 15870), (5290, 13488), (5520, 12926), (5620, 12696), (6348, 11240), (6463, 11040), (6744, 10580), (7935, 8992), (8430, 8464)]