74896640

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{643}}^1$

素因数の和:684

約数の個数: 144

約数和(自身を含む): 221144448

約数和(自身を除く): 146247808

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 182, 208, 224, 256, 260, 280, 320, 364, 416, 448, 455, 520, 560, 640, 643, 728, 832, 896, 910, 1040, 1120, 1280, 1286, 1456, 1664, 1792, 1820, 2080, 2240, 2572, 2912, 3215, 3328, 3640, 4160, 4480, 4501, 5144, 5824, 6430, 7280, 8320, 8359, 8960, 9002, 10288, 11648, 12860, 14560, 16640, 16718, 18004, 20576, 22505, 23296, 25720, 29120, 33436, 36008, 41152, 41795, 45010, 51440, 58240, 58513, 66872, 72016, 82304, 83590, 90020, 102880, 116480, 117026, 133744, 144032, 164608, 167180, 180040, 205760, 234052, 267488, 288064, 292565, 334360, 360080, 411520, 468104, 534976, 576128, 585130, 668720, 720160, 823040, 936208, 1069952, 1152256, 1170260, 1337440, 1440320, 1872416, 2139904, 2340520, 2674880, 2880640, 3744832, 4681040, 5349760, 5761280, 7489664, 9362080, 10699520, 14979328, 18724160, 37448320, 74896640]

約数ペア:

[(1, 74896640), (2, 37448320), (4, 18724160), (5, 14979328), (7, 10699520), (8, 9362080), (10, 7489664), (13, 5761280), (14, 5349760), (16, 4681040), (20, 3744832), (26, 2880640), (28, 2674880), (32, 2340520), (35, 2139904), (40, 1872416), (52, 1440320), (56, 1337440), (64, 1170260), (65, 1152256), (70, 1069952), (80, 936208), (91, 823040), (104, 720160), (112, 668720), (128, 585130), (130, 576128), (140, 534976), (160, 468104), (182, 411520), (208, 360080), (224, 334360), (256, 292565), (260, 288064), (280, 267488), (320, 234052), (364, 205760), (416, 180040), (448, 167180), (455, 164608), (520, 144032), (560, 133744), (640, 117026), (643, 116480), (728, 102880), (832, 90020), (896, 83590), (910, 82304), (1040, 72016), (1120, 66872), (1280, 58513), (1286, 58240), (1456, 51440), (1664, 45010), (1792, 41795), (1820, 41152), (2080, 36008), (2240, 33436), (2572, 29120), (2912, 25720), (3215, 23296), (3328, 22505), (3640, 20576), (4160, 18004), (4480, 16718), (4501, 16640), (5144, 14560), (5824, 12860), (6430, 11648), (7280, 10288), (8320, 9002), (8359, 8960)]