247285760

素因数分解:

$2^{11}\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:118

約数の個数: 192

約数和(自身を含む): 660441600

約数和(自身を除く): 413155840

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, 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, 20992, 23560, 24149, 24320, 24928, 25420, 26240, 31160, 31744, 37696, 38912, 39680, 40672, 41984, 47120, 48298, 48640, 49856, 50840, 52480, 62320, 63488, 75392, 79360, 81344, 83968, 94240, 96596, 97280, 99712, 101680, 104960, 120745, 124640, 150784, 158720, 162688, 188480, 193192, 194560, 199424, 203360, 209920, 241490, 249280, 301568, 317440, 325376, 376960, 386384, 398848, 406720, 419840, 482980, 498560, 603136, 650752, 753920, 772768, 797696, 813440, 965960, 997120, 1206272, 1301504, 1507840, 1545536, 1595392, 1626880, 1931920, 1994240, 2603008, 3015680, 3091072, 3253760, 3863840, 3988480, 6031360, 6182144, 6507520, 7727680, 7976960, 12364288, 13015040, 15455360, 24728576, 30910720, 49457152, 61821440, 123642880, 247285760]

約数ペア:

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