71677620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{349}}^1$

素因数の和:534

約数の個数: 144

約数和(自身を含む): 250723200

約数和(自身を除く): 179045580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 163, 180, 210, 252, 315, 326, 349, 420, 489, 630, 652, 698, 815, 978, 1047, 1141, 1260, 1396, 1467, 1630, 1745, 1956, 2094, 2282, 2443, 2445, 2934, 3141, 3260, 3423, 3490, 4188, 4564, 4886, 4890, 5235, 5705, 5868, 6282, 6846, 6980, 7329, 7335, 9772, 9780, 10269, 10470, 11410, 12215, 12564, 13692, 14658, 14670, 15705, 17115, 20538, 20940, 21987, 22820, 24430, 29316, 29340, 31410, 34230, 36645, 41076, 43974, 48860, 51345, 56887, 62820, 68460, 73290, 87948, 102690, 109935, 113774, 146580, 170661, 205380, 219870, 227548, 284435, 341322, 398209, 439740, 511983, 568870, 682644, 796418, 853305, 1023966, 1137740, 1194627, 1592836, 1706610, 1991045, 2047932, 2389254, 2559915, 3413220, 3583881, 3982090, 4778508, 5119830, 5973135, 7167762, 7964180, 10239660, 11946270, 14335524, 17919405, 23892540, 35838810, 71677620]

約数ペア:

[(1, 71677620), (2, 35838810), (3, 23892540), (4, 17919405), (5, 14335524), (6, 11946270), (7, 10239660), (9, 7964180), (10, 7167762), (12, 5973135), (14, 5119830), (15, 4778508), (18, 3982090), (20, 3583881), (21, 3413220), (28, 2559915), (30, 2389254), (35, 2047932), (36, 1991045), (42, 1706610), (45, 1592836), (60, 1194627), (63, 1137740), (70, 1023966), (84, 853305), (90, 796418), (105, 682644), (126, 568870), (140, 511983), (163, 439740), (180, 398209), (210, 341322), (252, 284435), (315, 227548), (326, 219870), (349, 205380), (420, 170661), (489, 146580), (630, 113774), (652, 109935), (698, 102690), (815, 87948), (978, 73290), (1047, 68460), (1141, 62820), (1260, 56887), (1396, 51345), (1467, 48860), (1630, 43974), (1745, 41076), (1956, 36645), (2094, 34230), (2282, 31410), (2443, 29340), (2445, 29316), (2934, 24430), (3141, 22820), (3260, 21987), (3423, 20940), (3490, 20538), (4188, 17115), (4564, 15705), (4886, 14670), (4890, 14658), (5235, 13692), (5705, 12564), (5868, 12215), (6282, 11410), (6846, 10470), (6980, 10269), (7329, 9780), (7335, 9772)]