1818091520

素因数分解:

$2^{13}\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{373}}^1$

素因数の和:428

約数の個数: 224

約数和(自身を含む): 5293937088

約数和(自身を除く): 3475845568

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 64, 68, 70, 80, 85, 112, 119, 128, 136, 140, 160, 170, 224, 238, 256, 272, 280, 320, 340, 373, 448, 476, 512, 544, 560, 595, 640, 680, 746, 896, 952, 1024, 1088, 1120, 1190, 1280, 1360, 1492, 1792, 1865, 1904, 2048, 2176, 2240, 2380, 2560, 2611, 2720, 2984, 3584, 3730, 3808, 4096, 4352, 4480, 4760, 5120, 5222, 5440, 5968, 6341, 7168, 7460, 7616, 8192, 8704, 8960, 9520, 10240, 10444, 10880, 11936, 12682, 13055, 14336, 14920, 15232, 17408, 17920, 19040, 20480, 20888, 21760, 23872, 25364, 26110, 28672, 29840, 30464, 31705, 34816, 35840, 38080, 40960, 41776, 43520, 44387, 47744, 50728, 52220, 57344, 59680, 60928, 63410, 69632, 71680, 76160, 83552, 87040, 88774, 95488, 101456, 104440, 119360, 121856, 126820, 139264, 143360, 152320, 167104, 174080, 177548, 190976, 202912, 208880, 221935, 238720, 243712, 253640, 286720, 304640, 334208, 348160, 355096, 381952, 405824, 417760, 443870, 477440, 487424, 507280, 609280, 668416, 696320, 710192, 763904, 811648, 835520, 887740, 954880, 974848, 1014560, 1218560, 1336832, 1420384, 1527808, 1623296, 1671040, 1775480, 1909760, 2029120, 2437120, 2673664, 2840768, 3055616, 3246592, 3342080, 3550960, 3819520, 4058240, 4874240, 5347328, 5681536, 6493184, 6684160, 7101920, 7639040, 8116480, 10694656, 11363072, 12986368, 13368320, 14203840, 15278080, 16232960, 21389312, 22726144, 25972736, 26736640, 28407680, 32465920, 45452288, 51945472, 53473280, 56815360, 64931840, 90904576, 106946560, 113630720, 129863680, 181809152, 227261440, 259727360, 363618304, 454522880, 909045760, 1818091520]

約数ペア:

[(1, 1818091520), (2, 909045760), (4, 454522880), (5, 363618304), (7, 259727360), (8, 227261440), (10, 181809152), (14, 129863680), (16, 113630720), (17, 106946560), (20, 90904576), (28, 64931840), (32, 56815360), (34, 53473280), (35, 51945472), (40, 45452288), (56, 32465920), (64, 28407680), (68, 26736640), (70, 25972736), (80, 22726144), (85, 21389312), (112, 16232960), (119, 15278080), (128, 14203840), (136, 13368320), (140, 12986368), (160, 11363072), (170, 10694656), (224, 8116480), (238, 7639040), (256, 7101920), (272, 6684160), (280, 6493184), (320, 5681536), (340, 5347328), (373, 4874240), (448, 4058240), (476, 3819520), (512, 3550960), (544, 3342080), (560, 3246592), (595, 3055616), (640, 2840768), (680, 2673664), (746, 2437120), (896, 2029120), (952, 1909760), (1024, 1775480), (1088, 1671040), (1120, 1623296), (1190, 1527808), (1280, 1420384), (1360, 1336832), (1492, 1218560), (1792, 1014560), (1865, 974848), (1904, 954880), (2048, 887740), (2176, 835520), (2240, 811648), (2380, 763904), (2560, 710192), (2611, 696320), (2720, 668416), (2984, 609280), (3584, 507280), (3730, 487424), (3808, 477440), (4096, 443870), (4352, 417760), (4480, 405824), (4760, 381952), (5120, 355096), (5222, 348160), (5440, 334208), (5968, 304640), (6341, 286720), (7168, 253640), (7460, 243712), (7616, 238720), (8192, 221935), (8704, 208880), (8960, 202912), (9520, 190976), (10240, 177548), (10444, 174080), (10880, 167104), (11936, 152320), (12682, 143360), (13055, 139264), (14336, 126820), (14920, 121856), (15232, 119360), (17408, 104440), (17920, 101456), (19040, 95488), (20480, 88774), (20888, 87040), (21760, 83552), (23872, 76160), (25364, 71680), (26110, 69632), (28672, 63410), (29840, 60928), (30464, 59680), (31705, 57344), (34816, 52220), (35840, 50728), (38080, 47744), (40960, 44387), (41776, 43520)]