221657440

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:165

約数の個数: 192

約数和(自身を含む): 592220160

約数和(自身を除く): 370562720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 29, 31, 32, 40, 46, 58, 62, 67, 80, 92, 115, 116, 124, 134, 145, 155, 160, 184, 230, 232, 248, 268, 290, 310, 335, 368, 460, 464, 496, 536, 580, 620, 667, 670, 713, 736, 899, 920, 928, 992, 1072, 1160, 1240, 1334, 1340, 1426, 1541, 1798, 1840, 1943, 2077, 2144, 2320, 2480, 2668, 2680, 2852, 3082, 3335, 3565, 3596, 3680, 3886, 4154, 4495, 4640, 4960, 5336, 5360, 5704, 6164, 6670, 7130, 7192, 7705, 7772, 8308, 8990, 9715, 10385, 10672, 10720, 11408, 12328, 13340, 14260, 14384, 15410, 15544, 16616, 17980, 19430, 20677, 20770, 21344, 22816, 24656, 26680, 28520, 28768, 30820, 31088, 33232, 35960, 38860, 41354, 41540, 44689, 47771, 49312, 53360, 57040, 60233, 61640, 62176, 66464, 71920, 77720, 82708, 83080, 89378, 95542, 103385, 106720, 114080, 120466, 123280, 143840, 155440, 165416, 166160, 178756, 191084, 206770, 223445, 238855, 240932, 246560, 301165, 310880, 330832, 332320, 357512, 382168, 413540, 446890, 477710, 481864, 602330, 661664, 715024, 764336, 827080, 893780, 955420, 963728, 1204660, 1385359, 1430048, 1528672, 1654160, 1787560, 1910840, 1927456, 2409320, 2770718, 3308320, 3575120, 3821680, 4818640, 5541436, 6926795, 7150240, 7643360, 9637280, 11082872, 13853590, 22165744, 27707180, 44331488, 55414360, 110828720, 221657440]

約数ペア:

[(1, 221657440), (2, 110828720), (4, 55414360), (5, 44331488), (8, 27707180), (10, 22165744), (16, 13853590), (20, 11082872), (23, 9637280), (29, 7643360), (31, 7150240), (32, 6926795), (40, 5541436), (46, 4818640), (58, 3821680), (62, 3575120), (67, 3308320), (80, 2770718), (92, 2409320), (115, 1927456), (116, 1910840), (124, 1787560), (134, 1654160), (145, 1528672), (155, 1430048), (160, 1385359), (184, 1204660), (230, 963728), (232, 955420), (248, 893780), (268, 827080), (290, 764336), (310, 715024), (335, 661664), (368, 602330), (460, 481864), (464, 477710), (496, 446890), (536, 413540), (580, 382168), (620, 357512), (667, 332320), (670, 330832), (713, 310880), (736, 301165), (899, 246560), (920, 240932), (928, 238855), (992, 223445), (1072, 206770), (1160, 191084), (1240, 178756), (1334, 166160), (1340, 165416), (1426, 155440), (1541, 143840), (1798, 123280), (1840, 120466), (1943, 114080), (2077, 106720), (2144, 103385), (2320, 95542), (2480, 89378), (2668, 83080), (2680, 82708), (2852, 77720), (3082, 71920), (3335, 66464), (3565, 62176), (3596, 61640), (3680, 60233), (3886, 57040), (4154, 53360), (4495, 49312), (4640, 47771), (4960, 44689), (5336, 41540), (5360, 41354), (5704, 38860), (6164, 35960), (6670, 33232), (7130, 31088), (7192, 30820), (7705, 28768), (7772, 28520), (8308, 26680), (8990, 24656), (9715, 22816), (10385, 21344), (10672, 20770), (10720, 20677), (11408, 19430), (12328, 17980), (13340, 16616), (14260, 15544), (14384, 15410)]