1649661280

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:273

約数の個数: 192

約数和(自身を含む): 4219568640

約数和(自身を除く): 2569907360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 37, 40, 62, 74, 80, 89, 101, 124, 148, 155, 160, 178, 185, 202, 248, 296, 310, 356, 370, 404, 445, 496, 505, 592, 620, 712, 740, 808, 890, 992, 1010, 1147, 1184, 1240, 1424, 1480, 1616, 1780, 2020, 2294, 2480, 2759, 2848, 2960, 3131, 3232, 3293, 3560, 3737, 4040, 4588, 4960, 5518, 5735, 5920, 6262, 6586, 7120, 7474, 8080, 8989, 9176, 11036, 11470, 12524, 13172, 13795, 14240, 14948, 15655, 16160, 16465, 17978, 18352, 18685, 22072, 22940, 25048, 26344, 27590, 29896, 31310, 32930, 35956, 36704, 37370, 44144, 44945, 45880, 50096, 52688, 55180, 59792, 62620, 65860, 71912, 74740, 88288, 89890, 91760, 100192, 102083, 105376, 110360, 115847, 119584, 125240, 131720, 143824, 149480, 179780, 183520, 204166, 220720, 231694, 250480, 263440, 278659, 287648, 298960, 332593, 359560, 408332, 441440, 463388, 500960, 510415, 526880, 557318, 579235, 597920, 665186, 719120, 816664, 926776, 1020830, 1114636, 1158470, 1330372, 1393295, 1438240, 1633328, 1662965, 1853552, 2041660, 2229272, 2316940, 2660744, 2786590, 3266656, 3325930, 3707104, 4083320, 4458544, 4633880, 5321488, 5573180, 6651860, 8166640, 8917088, 9267760, 10310383, 10642976, 11146360, 13303720, 16333280, 18535520, 20620766, 22292720, 26607440, 41241532, 44585440, 51551915, 53214880, 82483064, 103103830, 164966128, 206207660, 329932256, 412415320, 824830640, 1649661280]

約数ペア:

[(1, 1649661280), (2, 824830640), (4, 412415320), (5, 329932256), (8, 206207660), (10, 164966128), (16, 103103830), (20, 82483064), (31, 53214880), (32, 51551915), (37, 44585440), (40, 41241532), (62, 26607440), (74, 22292720), (80, 20620766), (89, 18535520), (101, 16333280), (124, 13303720), (148, 11146360), (155, 10642976), (160, 10310383), (178, 9267760), (185, 8917088), (202, 8166640), (248, 6651860), (296, 5573180), (310, 5321488), (356, 4633880), (370, 4458544), (404, 4083320), (445, 3707104), (496, 3325930), (505, 3266656), (592, 2786590), (620, 2660744), (712, 2316940), (740, 2229272), (808, 2041660), (890, 1853552), (992, 1662965), (1010, 1633328), (1147, 1438240), (1184, 1393295), (1240, 1330372), (1424, 1158470), (1480, 1114636), (1616, 1020830), (1780, 926776), (2020, 816664), (2294, 719120), (2480, 665186), (2759, 597920), (2848, 579235), (2960, 557318), (3131, 526880), (3232, 510415), (3293, 500960), (3560, 463388), (3737, 441440), (4040, 408332), (4588, 359560), (4960, 332593), (5518, 298960), (5735, 287648), (5920, 278659), (6262, 263440), (6586, 250480), (7120, 231694), (7474, 220720), (8080, 204166), (8989, 183520), (9176, 179780), (11036, 149480), (11470, 143824), (12524, 131720), (13172, 125240), (13795, 119584), (14240, 115847), (14948, 110360), (15655, 105376), (16160, 102083), (16465, 100192), (17978, 91760), (18352, 89890), (18685, 88288), (22072, 74740), (22940, 71912), (25048, 65860), (26344, 62620), (27590, 59792), (29896, 55180), (31310, 52688), (32930, 50096), (35956, 45880), (36704, 44945), (37370, 44144)]