86778320

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1543}}^1$

素因数の和:1612

約数の個数: 80

約数和(自身を含む): 218259840

約数和(自身を除く): 131481520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 37, 38, 40, 74, 76, 80, 95, 148, 152, 185, 190, 296, 304, 370, 380, 592, 703, 740, 760, 1406, 1480, 1520, 1543, 2812, 2960, 3086, 3515, 5624, 6172, 7030, 7715, 11248, 12344, 14060, 15430, 24688, 28120, 29317, 30860, 56240, 57091, 58634, 61720, 114182, 117268, 123440, 146585, 228364, 234536, 285455, 293170, 456728, 469072, 570910, 586340, 913456, 1084729, 1141820, 1172680, 2169458, 2283640, 2345360, 4338916, 4567280, 5423645, 8677832, 10847290, 17355664, 21694580, 43389160, 86778320]

約数ペア:

[(1, 86778320), (2, 43389160), (4, 21694580), (5, 17355664), (8, 10847290), (10, 8677832), (16, 5423645), (19, 4567280), (20, 4338916), (37, 2345360), (38, 2283640), (40, 2169458), (74, 1172680), (76, 1141820), (80, 1084729), (95, 913456), (148, 586340), (152, 570910), (185, 469072), (190, 456728), (296, 293170), (304, 285455), (370, 234536), (380, 228364), (592, 146585), (703, 123440), (740, 117268), (760, 114182), (1406, 61720), (1480, 58634), (1520, 57091), (1543, 56240), (2812, 30860), (2960, 29317), (3086, 28120), (3515, 24688), (5624, 15430), (6172, 14060), (7030, 12344), (7715, 11248)]