787409920

素因数分解:

$2^{10}\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:119

約数の個数: 264

約数和(自身を含む): 2195432064

約数和(自身を除く): 1408022144

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 41, 44, 55, 62, 64, 80, 82, 88, 110, 121, 124, 128, 155, 160, 164, 176, 205, 220, 242, 248, 256, 310, 320, 328, 341, 352, 410, 440, 451, 484, 496, 512, 605, 620, 640, 656, 682, 704, 820, 880, 902, 968, 992, 1024, 1210, 1240, 1271, 1280, 1312, 1364, 1408, 1640, 1705, 1760, 1804, 1936, 1984, 2255, 2420, 2480, 2542, 2560, 2624, 2728, 2816, 3280, 3410, 3520, 3608, 3751, 3872, 3968, 4510, 4840, 4960, 4961, 5084, 5120, 5248, 5456, 5632, 6355, 6560, 6820, 7040, 7216, 7502, 7744, 7936, 9020, 9680, 9920, 9922, 10168, 10496, 10912, 11264, 12710, 13120, 13640, 13981, 14080, 14432, 15004, 15488, 15872, 18040, 18755, 19360, 19840, 19844, 20336, 20992, 21824, 24805, 25420, 26240, 27280, 27962, 28160, 28864, 30008, 30976, 31744, 36080, 37510, 38720, 39680, 39688, 40672, 41984, 43648, 49610, 50840, 52480, 54560, 55924, 56320, 57728, 60016, 61952, 69905, 72160, 75020, 77440, 79360, 79376, 81344, 87296, 99220, 101680, 104960, 109120, 111848, 115456, 120032, 123904, 139810, 144320, 150040, 153791, 154880, 158720, 158752, 162688, 174592, 198440, 203360, 209920, 218240, 223696, 230912, 240064, 279620, 288640, 300080, 307582, 309760, 317504, 325376, 349184, 396880, 406720, 436480, 447392, 461824, 480128, 559240, 577280, 600160, 615164, 619520, 635008, 650752, 768955, 793760, 813440, 872960, 894784, 960256, 1118480, 1154560, 1200320, 1230328, 1270016, 1301504, 1537910, 1587520, 1626880, 1745920, 1789568, 1920512, 2236960, 2309120, 2400640, 2460656, 2540032, 3075820, 3175040, 3253760, 3579136, 3841024, 4473920, 4801280, 4921312, 5080064, 6151640, 6350080, 6507520, 7158272, 8947840, 9602560, 9842624, 12303280, 12700160, 14316544, 17895680, 19205120, 19685248, 24606560, 25400320, 35791360, 39370496, 49213120, 71582720, 78740992, 98426240, 157481984, 196852480, 393704960, 787409920]

約数ペア:

[(1, 787409920), (2, 393704960), (4, 196852480), (5, 157481984), (8, 98426240), (10, 78740992), (11, 71582720), (16, 49213120), (20, 39370496), (22, 35791360), (31, 25400320), (32, 24606560), (40, 19685248), (41, 19205120), (44, 17895680), (55, 14316544), (62, 12700160), (64, 12303280), (80, 9842624), (82, 9602560), (88, 8947840), (110, 7158272), (121, 6507520), (124, 6350080), (128, 6151640), (155, 5080064), (160, 4921312), (164, 4801280), (176, 4473920), (205, 3841024), (220, 3579136), (242, 3253760), (248, 3175040), (256, 3075820), (310, 2540032), (320, 2460656), (328, 2400640), (341, 2309120), (352, 2236960), (410, 1920512), (440, 1789568), (451, 1745920), (484, 1626880), (496, 1587520), (512, 1537910), (605, 1301504), (620, 1270016), (640, 1230328), (656, 1200320), (682, 1154560), (704, 1118480), (820, 960256), (880, 894784), (902, 872960), (968, 813440), (992, 793760), (1024, 768955), (1210, 650752), (1240, 635008), (1271, 619520), (1280, 615164), (1312, 600160), (1364, 577280), (1408, 559240), (1640, 480128), (1705, 461824), (1760, 447392), (1804, 436480), (1936, 406720), (1984, 396880), (2255, 349184), (2420, 325376), (2480, 317504), (2542, 309760), (2560, 307582), (2624, 300080), (2728, 288640), (2816, 279620), (3280, 240064), (3410, 230912), (3520, 223696), (3608, 218240), (3751, 209920), (3872, 203360), (3968, 198440), (4510, 174592), (4840, 162688), (4960, 158752), (4961, 158720), (5084, 154880), (5120, 153791), (5248, 150040), (5456, 144320), (5632, 139810), (6355, 123904), (6560, 120032), (6820, 115456), (7040, 111848), (7216, 109120), (7502, 104960), (7744, 101680), (7936, 99220), (9020, 87296), (9680, 81344), (9920, 79376), (9922, 79360), (10168, 77440), (10496, 75020), (10912, 72160), (11264, 69905), (12710, 61952), (13120, 60016), (13640, 57728), (13981, 56320), (14080, 55924), (14432, 54560), (15004, 52480), (15488, 50840), (15872, 49610), (18040, 43648), (18755, 41984), (19360, 40672), (19840, 39688), (19844, 39680), (20336, 38720), (20992, 37510), (21824, 36080), (24805, 31744), (25420, 30976), (26240, 30008), (27280, 28864), (27962, 28160)]