78707880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{311}}^1$

素因数の和:384

約数の個数: 192

約数和(自身を含む): 277430400

約数和(自身を除く): 198722520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 37, 38, 40, 45, 57, 60, 72, 74, 76, 90, 95, 111, 114, 120, 148, 152, 171, 180, 185, 190, 222, 228, 285, 296, 311, 333, 342, 360, 370, 380, 444, 456, 555, 570, 622, 666, 684, 703, 740, 760, 855, 888, 933, 1110, 1140, 1244, 1332, 1368, 1406, 1480, 1555, 1665, 1710, 1866, 2109, 2220, 2280, 2488, 2664, 2799, 2812, 3110, 3330, 3420, 3515, 3732, 4218, 4440, 4665, 5598, 5624, 5909, 6220, 6327, 6660, 6840, 7030, 7464, 8436, 9330, 10545, 11196, 11507, 11818, 12440, 12654, 13320, 13995, 14060, 16872, 17727, 18660, 21090, 22392, 23014, 23636, 25308, 27990, 28120, 29545, 31635, 34521, 35454, 37320, 42180, 46028, 47272, 50616, 53181, 55980, 57535, 59090, 63270, 69042, 70908, 84360, 88635, 92056, 103563, 106362, 111960, 115070, 118180, 126540, 138084, 141816, 172605, 177270, 207126, 212724, 218633, 230140, 236360, 253080, 265905, 276168, 345210, 354540, 414252, 425448, 437266, 460280, 517815, 531810, 655899, 690420, 709080, 828504, 874532, 1035630, 1063620, 1093165, 1311798, 1380840, 1749064, 1967697, 2071260, 2127240, 2186330, 2623596, 3279495, 3935394, 4142520, 4372660, 5247192, 6558990, 7870788, 8745320, 9838485, 13117980, 15741576, 19676970, 26235960, 39353940, 78707880]

約数ペア:

[(1, 78707880), (2, 39353940), (3, 26235960), (4, 19676970), (5, 15741576), (6, 13117980), (8, 9838485), (9, 8745320), (10, 7870788), (12, 6558990), (15, 5247192), (18, 4372660), (19, 4142520), (20, 3935394), (24, 3279495), (30, 2623596), (36, 2186330), (37, 2127240), (38, 2071260), (40, 1967697), (45, 1749064), (57, 1380840), (60, 1311798), (72, 1093165), (74, 1063620), (76, 1035630), (90, 874532), (95, 828504), (111, 709080), (114, 690420), (120, 655899), (148, 531810), (152, 517815), (171, 460280), (180, 437266), (185, 425448), (190, 414252), (222, 354540), (228, 345210), (285, 276168), (296, 265905), (311, 253080), (333, 236360), (342, 230140), (360, 218633), (370, 212724), (380, 207126), (444, 177270), (456, 172605), (555, 141816), (570, 138084), (622, 126540), (666, 118180), (684, 115070), (703, 111960), (740, 106362), (760, 103563), (855, 92056), (888, 88635), (933, 84360), (1110, 70908), (1140, 69042), (1244, 63270), (1332, 59090), (1368, 57535), (1406, 55980), (1480, 53181), (1555, 50616), (1665, 47272), (1710, 46028), (1866, 42180), (2109, 37320), (2220, 35454), (2280, 34521), (2488, 31635), (2664, 29545), (2799, 28120), (2812, 27990), (3110, 25308), (3330, 23636), (3420, 23014), (3515, 22392), (3732, 21090), (4218, 18660), (4440, 17727), (4665, 16872), (5598, 14060), (5624, 13995), (5909, 13320), (6220, 12654), (6327, 12440), (6660, 11818), (6840, 11507), (7030, 11196), (7464, 10545), (8436, 9330)]