77178920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{233}}^1$

素因数の和:284

約数の個数: 144

約数和(自身を含む): 219676860

約数和(自身を除く): 142497940

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 91, 98, 104, 130, 140, 169, 182, 196, 233, 245, 260, 280, 338, 364, 392, 455, 466, 490, 520, 637, 676, 728, 845, 910, 932, 980, 1165, 1183, 1274, 1352, 1631, 1690, 1820, 1864, 1960, 2330, 2366, 2548, 3029, 3185, 3262, 3380, 3640, 4660, 4732, 5096, 5915, 6058, 6370, 6524, 6760, 8155, 8281, 9320, 9464, 11417, 11830, 12116, 12740, 13048, 15145, 16310, 16562, 21203, 22834, 23660, 24232, 25480, 30290, 32620, 33124, 39377, 41405, 42406, 45668, 47320, 57085, 60580, 65240, 66248, 78754, 82810, 84812, 91336, 106015, 114170, 121160, 148421, 157508, 165620, 169624, 196885, 212030, 228340, 275639, 296842, 315016, 331240, 393770, 424060, 456680, 551278, 593684, 742105, 787540, 848120, 1102556, 1187368, 1378195, 1484210, 1575080, 1929473, 2205112, 2756390, 2968420, 3858946, 5512780, 5936840, 7717892, 9647365, 11025560, 15435784, 19294730, 38589460, 77178920]

約数ペア:

[(1, 77178920), (2, 38589460), (4, 19294730), (5, 15435784), (7, 11025560), (8, 9647365), (10, 7717892), (13, 5936840), (14, 5512780), (20, 3858946), (26, 2968420), (28, 2756390), (35, 2205112), (40, 1929473), (49, 1575080), (52, 1484210), (56, 1378195), (65, 1187368), (70, 1102556), (91, 848120), (98, 787540), (104, 742105), (130, 593684), (140, 551278), (169, 456680), (182, 424060), (196, 393770), (233, 331240), (245, 315016), (260, 296842), (280, 275639), (338, 228340), (364, 212030), (392, 196885), (455, 169624), (466, 165620), (490, 157508), (520, 148421), (637, 121160), (676, 114170), (728, 106015), (845, 91336), (910, 84812), (932, 82810), (980, 78754), (1165, 66248), (1183, 65240), (1274, 60580), (1352, 57085), (1631, 47320), (1690, 45668), (1820, 42406), (1864, 41405), (1960, 39377), (2330, 33124), (2366, 32620), (2548, 30290), (3029, 25480), (3185, 24232), (3262, 23660), (3380, 22834), (3640, 21203), (4660, 16562), (4732, 16310), (5096, 15145), (5915, 13048), (6058, 12740), (6370, 12116), (6524, 11830), (6760, 11417), (8155, 9464), (8281, 9320)]