81085760

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{683}}^1$

素因数の和:760

約数の個数: 112

約数和(自身を含む): 225161856

約数和(自身を除く): 144076096

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 53, 56, 64, 70, 80, 106, 112, 140, 160, 212, 224, 265, 280, 320, 371, 424, 448, 530, 560, 683, 742, 848, 1060, 1120, 1366, 1484, 1696, 1855, 2120, 2240, 2732, 2968, 3392, 3415, 3710, 4240, 4781, 5464, 5936, 6830, 7420, 8480, 9562, 10928, 11872, 13660, 14840, 16960, 19124, 21856, 23744, 23905, 27320, 29680, 36199, 38248, 43712, 47810, 54640, 59360, 72398, 76496, 95620, 109280, 118720, 144796, 152992, 180995, 191240, 218560, 253393, 289592, 305984, 361990, 382480, 506786, 579184, 723980, 764960, 1013572, 1158368, 1266965, 1447960, 1529920, 2027144, 2316736, 2533930, 2895920, 4054288, 5067860, 5791840, 8108576, 10135720, 11583680, 16217152, 20271440, 40542880, 81085760]

約数ペア:

[(1, 81085760), (2, 40542880), (4, 20271440), (5, 16217152), (7, 11583680), (8, 10135720), (10, 8108576), (14, 5791840), (16, 5067860), (20, 4054288), (28, 2895920), (32, 2533930), (35, 2316736), (40, 2027144), (53, 1529920), (56, 1447960), (64, 1266965), (70, 1158368), (80, 1013572), (106, 764960), (112, 723980), (140, 579184), (160, 506786), (212, 382480), (224, 361990), (265, 305984), (280, 289592), (320, 253393), (371, 218560), (424, 191240), (448, 180995), (530, 152992), (560, 144796), (683, 118720), (742, 109280), (848, 95620), (1060, 76496), (1120, 72398), (1366, 59360), (1484, 54640), (1696, 47810), (1855, 43712), (2120, 38248), (2240, 36199), (2732, 29680), (2968, 27320), (3392, 23905), (3415, 23744), (3710, 21856), (4240, 19124), (4781, 16960), (5464, 14840), (5936, 13660), (6830, 11872), (7420, 10928), (8480, 9562)]