221255680

素因数分解:

$2^{11}\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:116

約数の個数: 192

約数和(自身を含む): 594397440

約数和(自身を除く): 373141760

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 41, 62, 64, 68, 80, 82, 85, 124, 128, 136, 155, 160, 164, 170, 205, 248, 256, 272, 310, 320, 328, 340, 410, 496, 512, 527, 544, 620, 640, 656, 680, 697, 820, 992, 1024, 1054, 1088, 1240, 1271, 1280, 1312, 1360, 1394, 1640, 1984, 2048, 2108, 2176, 2480, 2542, 2560, 2624, 2635, 2720, 2788, 3280, 3485, 3968, 4216, 4352, 4960, 5084, 5120, 5248, 5270, 5440, 5576, 6355, 6560, 6970, 7936, 8432, 8704, 9920, 10168, 10240, 10496, 10540, 10880, 11152, 12710, 13120, 13940, 15872, 16864, 17408, 19840, 20336, 20992, 21080, 21607, 21760, 22304, 25420, 26240, 27880, 31744, 33728, 34816, 39680, 40672, 41984, 42160, 43214, 43520, 44608, 50840, 52480, 55760, 63488, 67456, 79360, 81344, 83968, 84320, 86428, 87040, 89216, 101680, 104960, 108035, 111520, 134912, 158720, 162688, 168640, 172856, 174080, 178432, 203360, 209920, 216070, 223040, 269824, 317440, 325376, 337280, 345712, 356864, 406720, 419840, 432140, 446080, 539648, 650752, 674560, 691424, 713728, 813440, 864280, 892160, 1079296, 1301504, 1349120, 1382848, 1427456, 1626880, 1728560, 1784320, 2603008, 2698240, 2765696, 3253760, 3457120, 3568640, 5396480, 5531392, 6507520, 6914240, 7137280, 11062784, 13015040, 13828480, 22125568, 27656960, 44251136, 55313920, 110627840, 221255680]

約数ペア:

[(1, 221255680), (2, 110627840), (4, 55313920), (5, 44251136), (8, 27656960), (10, 22125568), (16, 13828480), (17, 13015040), (20, 11062784), (31, 7137280), (32, 6914240), (34, 6507520), (40, 5531392), (41, 5396480), (62, 3568640), (64, 3457120), (68, 3253760), (80, 2765696), (82, 2698240), (85, 2603008), (124, 1784320), (128, 1728560), (136, 1626880), (155, 1427456), (160, 1382848), (164, 1349120), (170, 1301504), (205, 1079296), (248, 892160), (256, 864280), (272, 813440), (310, 713728), (320, 691424), (328, 674560), (340, 650752), (410, 539648), (496, 446080), (512, 432140), (527, 419840), (544, 406720), (620, 356864), (640, 345712), (656, 337280), (680, 325376), (697, 317440), (820, 269824), (992, 223040), (1024, 216070), (1054, 209920), (1088, 203360), (1240, 178432), (1271, 174080), (1280, 172856), (1312, 168640), (1360, 162688), (1394, 158720), (1640, 134912), (1984, 111520), (2048, 108035), (2108, 104960), (2176, 101680), (2480, 89216), (2542, 87040), (2560, 86428), (2624, 84320), (2635, 83968), (2720, 81344), (2788, 79360), (3280, 67456), (3485, 63488), (3968, 55760), (4216, 52480), (4352, 50840), (4960, 44608), (5084, 43520), (5120, 43214), (5248, 42160), (5270, 41984), (5440, 40672), (5576, 39680), (6355, 34816), (6560, 33728), (6970, 31744), (7936, 27880), (8432, 26240), (8704, 25420), (9920, 22304), (10168, 21760), (10240, 21607), (10496, 21080), (10540, 20992), (10880, 20336), (11152, 19840), (12710, 17408), (13120, 16864), (13940, 15872)]