51655860

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{331}}^1$

素因数の和:383

約数の個数: 144

約数和(自身を含む): 171232320

約数和(自身を除く): 119576460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 85, 90, 102, 108, 135, 153, 170, 180, 204, 255, 270, 289, 306, 331, 340, 459, 510, 540, 578, 612, 662, 765, 867, 918, 993, 1020, 1156, 1324, 1445, 1530, 1655, 1734, 1836, 1986, 2295, 2601, 2890, 2979, 3060, 3310, 3468, 3972, 4335, 4590, 4965, 5202, 5627, 5780, 5958, 6620, 7803, 8670, 8937, 9180, 9930, 10404, 11254, 11916, 13005, 14895, 15606, 16881, 17340, 17874, 19860, 22508, 26010, 28135, 29790, 31212, 33762, 35748, 39015, 44685, 50643, 52020, 56270, 59580, 67524, 78030, 84405, 89370, 95659, 101286, 112540, 151929, 156060, 168810, 178740, 191318, 202572, 253215, 286977, 303858, 337620, 382636, 478295, 506430, 573954, 607716, 759645, 860931, 956590, 1012860, 1147908, 1434885, 1519290, 1721862, 1913180, 2582793, 2869770, 3038580, 3443724, 4304655, 5165586, 5739540, 8609310, 10331172, 12913965, 17218620, 25827930, 51655860]

約数ペア:

[(1, 51655860), (2, 25827930), (3, 17218620), (4, 12913965), (5, 10331172), (6, 8609310), (9, 5739540), (10, 5165586), (12, 4304655), (15, 3443724), (17, 3038580), (18, 2869770), (20, 2582793), (27, 1913180), (30, 1721862), (34, 1519290), (36, 1434885), (45, 1147908), (51, 1012860), (54, 956590), (60, 860931), (68, 759645), (85, 607716), (90, 573954), (102, 506430), (108, 478295), (135, 382636), (153, 337620), (170, 303858), (180, 286977), (204, 253215), (255, 202572), (270, 191318), (289, 178740), (306, 168810), (331, 156060), (340, 151929), (459, 112540), (510, 101286), (540, 95659), (578, 89370), (612, 84405), (662, 78030), (765, 67524), (867, 59580), (918, 56270), (993, 52020), (1020, 50643), (1156, 44685), (1324, 39015), (1445, 35748), (1530, 33762), (1655, 31212), (1734, 29790), (1836, 28135), (1986, 26010), (2295, 22508), (2601, 19860), (2890, 17874), (2979, 17340), (3060, 16881), (3310, 15606), (3468, 14895), (3972, 13005), (4335, 11916), (4590, 11254), (4965, 10404), (5202, 9930), (5627, 9180), (5780, 8937), (5958, 8670), (6620, 7803)]