494571520

素因数分解:

$2^{12}\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:120

約数の個数: 208

約数和(自身を含む): 1321044480

約数和(自身を除く): 826472960

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 41, 62, 64, 76, 80, 82, 95, 124, 128, 152, 155, 160, 164, 190, 205, 248, 256, 304, 310, 320, 328, 380, 410, 496, 512, 589, 608, 620, 640, 656, 760, 779, 820, 992, 1024, 1178, 1216, 1240, 1271, 1280, 1312, 1520, 1558, 1640, 1984, 2048, 2356, 2432, 2480, 2542, 2560, 2624, 2945, 3040, 3116, 3280, 3895, 3968, 4096, 4712, 4864, 4960, 5084, 5120, 5248, 5890, 6080, 6232, 6355, 6560, 7790, 7936, 9424, 9728, 9920, 10168, 10240, 10496, 11780, 12160, 12464, 12710, 13120, 15580, 15872, 18848, 19456, 19840, 20336, 20480, 20992, 23560, 24149, 24320, 24928, 25420, 26240, 31160, 31744, 37696, 38912, 39680, 40672, 41984, 47120, 48298, 48640, 49856, 50840, 52480, 62320, 63488, 75392, 77824, 79360, 81344, 83968, 94240, 96596, 97280, 99712, 101680, 104960, 120745, 124640, 126976, 150784, 158720, 162688, 167936, 188480, 193192, 194560, 199424, 203360, 209920, 241490, 249280, 301568, 317440, 325376, 376960, 386384, 389120, 398848, 406720, 419840, 482980, 498560, 603136, 634880, 650752, 753920, 772768, 797696, 813440, 839680, 965960, 997120, 1206272, 1301504, 1507840, 1545536, 1595392, 1626880, 1931920, 1994240, 2412544, 2603008, 3015680, 3091072, 3190784, 3253760, 3863840, 3988480, 5206016, 6031360, 6182144, 6507520, 7727680, 7976960, 12062720, 12364288, 13015040, 15455360, 15953920, 24728576, 26030080, 30910720, 49457152, 61821440, 98914304, 123642880, 247285760, 494571520]

約数ペア:

[(1, 494571520), (2, 247285760), (4, 123642880), (5, 98914304), (8, 61821440), (10, 49457152), (16, 30910720), (19, 26030080), (20, 24728576), (31, 15953920), (32, 15455360), (38, 13015040), (40, 12364288), (41, 12062720), (62, 7976960), (64, 7727680), (76, 6507520), (80, 6182144), (82, 6031360), (95, 5206016), (124, 3988480), (128, 3863840), (152, 3253760), (155, 3190784), (160, 3091072), (164, 3015680), (190, 2603008), (205, 2412544), (248, 1994240), (256, 1931920), (304, 1626880), (310, 1595392), (320, 1545536), (328, 1507840), (380, 1301504), (410, 1206272), (496, 997120), (512, 965960), (589, 839680), (608, 813440), (620, 797696), (640, 772768), (656, 753920), (760, 650752), (779, 634880), (820, 603136), (992, 498560), (1024, 482980), (1178, 419840), (1216, 406720), (1240, 398848), (1271, 389120), (1280, 386384), (1312, 376960), (1520, 325376), (1558, 317440), (1640, 301568), (1984, 249280), (2048, 241490), (2356, 209920), (2432, 203360), (2480, 199424), (2542, 194560), (2560, 193192), (2624, 188480), (2945, 167936), (3040, 162688), (3116, 158720), (3280, 150784), (3895, 126976), (3968, 124640), (4096, 120745), (4712, 104960), (4864, 101680), (4960, 99712), (5084, 97280), (5120, 96596), (5248, 94240), (5890, 83968), (6080, 81344), (6232, 79360), (6355, 77824), (6560, 75392), (7790, 63488), (7936, 62320), (9424, 52480), (9728, 50840), (9920, 49856), (10168, 48640), (10240, 48298), (10496, 47120), (11780, 41984), (12160, 40672), (12464, 39680), (12710, 38912), (13120, 37696), (15580, 31744), (15872, 31160), (18848, 26240), (19456, 25420), (19840, 24928), (20336, 24320), (20480, 24149), (20992, 23560)]