188815280

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1153}}^1$

素因数の和:1278

約数の個数: 80

約数和(自身を含む): 463631040

約数和(自身を除く): 274815760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 89, 92, 115, 178, 184, 230, 356, 368, 445, 460, 712, 890, 920, 1153, 1424, 1780, 1840, 2047, 2306, 3560, 4094, 4612, 5765, 7120, 8188, 9224, 10235, 11530, 16376, 18448, 20470, 23060, 26519, 32752, 40940, 46120, 53038, 81880, 92240, 102617, 106076, 132595, 163760, 205234, 212152, 265190, 410468, 424304, 513085, 530380, 820936, 1026170, 1060760, 1641872, 2052340, 2121520, 2360191, 4104680, 4720382, 8209360, 9440764, 11800955, 18881528, 23601910, 37763056, 47203820, 94407640, 188815280]

約数ペア:

[(1, 188815280), (2, 94407640), (4, 47203820), (5, 37763056), (8, 23601910), (10, 18881528), (16, 11800955), (20, 9440764), (23, 8209360), (40, 4720382), (46, 4104680), (80, 2360191), (89, 2121520), (92, 2052340), (115, 1641872), (178, 1060760), (184, 1026170), (230, 820936), (356, 530380), (368, 513085), (445, 424304), (460, 410468), (712, 265190), (890, 212152), (920, 205234), (1153, 163760), (1424, 132595), (1780, 106076), (1840, 102617), (2047, 92240), (2306, 81880), (3560, 53038), (4094, 46120), (4612, 40940), (5765, 32752), (7120, 26519), (8188, 23060), (9224, 20470), (10235, 18448), (11530, 16376)]