128123040

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{293}}^1\times {\mathrm{911}}^1$

素因数の和:1222

約数の個数: 96

約数和(自身を含む): 405409536

約数和(自身を除く): 277286496

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 293, 480, 586, 879, 911, 1172, 1465, 1758, 1822, 2344, 2733, 2930, 3516, 3644, 4395, 4555, 4688, 5466, 5860, 7032, 7288, 8790, 9110, 9376, 10932, 11720, 13665, 14064, 14576, 17580, 18220, 21864, 23440, 27330, 28128, 29152, 35160, 36440, 43728, 46880, 54660, 70320, 72880, 87456, 109320, 140640, 145760, 218640, 266923, 437280, 533846, 800769, 1067692, 1334615, 1601538, 2135384, 2669230, 3203076, 4003845, 4270768, 5338460, 6406152, 8007690, 8541536, 10676920, 12812304, 16015380, 21353840, 25624608, 32030760, 42707680, 64061520, 128123040]

約数ペア:

[(1, 128123040), (2, 64061520), (3, 42707680), (4, 32030760), (5, 25624608), (6, 21353840), (8, 16015380), (10, 12812304), (12, 10676920), (15, 8541536), (16, 8007690), (20, 6406152), (24, 5338460), (30, 4270768), (32, 4003845), (40, 3203076), (48, 2669230), (60, 2135384), (80, 1601538), (96, 1334615), (120, 1067692), (160, 800769), (240, 533846), (293, 437280), (480, 266923), (586, 218640), (879, 145760), (911, 140640), (1172, 109320), (1465, 87456), (1758, 72880), (1822, 70320), (2344, 54660), (2733, 46880), (2930, 43728), (3516, 36440), (3644, 35160), (4395, 29152), (4555, 28128), (4688, 27330), (5466, 23440), (5860, 21864), (7032, 18220), (7288, 17580), (8790, 14576), (9110, 14064), (9376, 13665), (10932, 11720)]