87109880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:289

約数の個数: 128

約数和(自身を含む): 234118080

約数和(自身を除く): 147008200

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 97, 104, 110, 130, 143, 157, 194, 220, 260, 286, 314, 388, 440, 485, 520, 572, 628, 715, 776, 785, 970, 1067, 1144, 1256, 1261, 1430, 1570, 1727, 1940, 2041, 2134, 2522, 2860, 3140, 3454, 3880, 4082, 4268, 5044, 5335, 5720, 6280, 6305, 6908, 8164, 8536, 8635, 10088, 10205, 10670, 12610, 13816, 13871, 15229, 16328, 17270, 20410, 21340, 22451, 25220, 27742, 30458, 34540, 40820, 42680, 44902, 50440, 55484, 60916, 69080, 69355, 76145, 81640, 89804, 110968, 112255, 121832, 138710, 152290, 167519, 179608, 197977, 224510, 277420, 304580, 335038, 395954, 449020, 554840, 609160, 670076, 791908, 837595, 898040, 989885, 1340152, 1583816, 1675190, 1979770, 2177747, 3350380, 3959540, 4355494, 6700760, 7919080, 8710988, 10888735, 17421976, 21777470, 43554940, 87109880]

約数ペア:

[(1, 87109880), (2, 43554940), (4, 21777470), (5, 17421976), (8, 10888735), (10, 8710988), (11, 7919080), (13, 6700760), (20, 4355494), (22, 3959540), (26, 3350380), (40, 2177747), (44, 1979770), (52, 1675190), (55, 1583816), (65, 1340152), (88, 989885), (97, 898040), (104, 837595), (110, 791908), (130, 670076), (143, 609160), (157, 554840), (194, 449020), (220, 395954), (260, 335038), (286, 304580), (314, 277420), (388, 224510), (440, 197977), (485, 179608), (520, 167519), (572, 152290), (628, 138710), (715, 121832), (776, 112255), (785, 110968), (970, 89804), (1067, 81640), (1144, 76145), (1256, 69355), (1261, 69080), (1430, 60916), (1570, 55484), (1727, 50440), (1940, 44902), (2041, 42680), (2134, 40820), (2522, 34540), (2860, 30458), (3140, 27742), (3454, 25220), (3880, 22451), (4082, 21340), (4268, 20410), (5044, 17270), (5335, 16328), (5720, 15229), (6280, 13871), (6305, 13816), (6908, 12610), (8164, 10670), (8536, 10205), (8635, 10088)]