28407680

素因数分解:

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

素因数の和:416

約数の個数: 128

約数和(自身を含む): 82399680

約数和(自身を除く): 53992000

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, 272, 280, 320, 340, 373, 448, 476, 544, 560, 595, 640, 680, 746, 896, 952, 1088, 1120, 1190, 1360, 1492, 1865, 1904, 2176, 2240, 2380, 2611, 2720, 2984, 3730, 3808, 4480, 4760, 5222, 5440, 5968, 6341, 7460, 7616, 9520, 10444, 10880, 11936, 12682, 13055, 14920, 15232, 19040, 20888, 23872, 25364, 26110, 29840, 31705, 38080, 41776, 44387, 47744, 50728, 52220, 59680, 63410, 76160, 83552, 88774, 101456, 104440, 119360, 126820, 167104, 177548, 202912, 208880, 221935, 238720, 253640, 334208, 355096, 405824, 417760, 443870, 507280, 710192, 811648, 835520, 887740, 1014560, 1420384, 1671040, 1775480, 2029120, 2840768, 3550960, 4058240, 5681536, 7101920, 14203840, 28407680]

約数ペア:

[(1, 28407680), (2, 14203840), (4, 7101920), (5, 5681536), (7, 4058240), (8, 3550960), (10, 2840768), (14, 2029120), (16, 1775480), (17, 1671040), (20, 1420384), (28, 1014560), (32, 887740), (34, 835520), (35, 811648), (40, 710192), (56, 507280), (64, 443870), (68, 417760), (70, 405824), (80, 355096), (85, 334208), (112, 253640), (119, 238720), (128, 221935), (136, 208880), (140, 202912), (160, 177548), (170, 167104), (224, 126820), (238, 119360), (272, 104440), (280, 101456), (320, 88774), (340, 83552), (373, 76160), (448, 63410), (476, 59680), (544, 52220), (560, 50728), (595, 47744), (640, 44387), (680, 41776), (746, 38080), (896, 31705), (952, 29840), (1088, 26110), (1120, 25364), (1190, 23872), (1360, 20888), (1492, 19040), (1865, 15232), (1904, 14920), (2176, 13055), (2240, 12682), (2380, 11936), (2611, 10880), (2720, 10444), (2984, 9520), (3730, 7616), (3808, 7460), (4480, 6341), (4760, 5968), (5222, 5440)]