217807740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:181

約数の個数: 216

約数和(自身を含む): 724127040

約数和(自身を除く): 506319300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 53, 60, 68, 79, 85, 90, 102, 106, 153, 158, 159, 170, 180, 204, 212, 237, 255, 265, 289, 306, 316, 318, 340, 395, 474, 477, 510, 530, 578, 612, 636, 711, 765, 790, 795, 867, 901, 948, 954, 1020, 1060, 1156, 1185, 1343, 1422, 1445, 1530, 1580, 1590, 1734, 1802, 1908, 2370, 2385, 2601, 2686, 2703, 2844, 2890, 3060, 3180, 3468, 3555, 3604, 4029, 4187, 4335, 4505, 4740, 4770, 5202, 5372, 5406, 5780, 6715, 7110, 8058, 8109, 8374, 8670, 9010, 9540, 10404, 10812, 12087, 12561, 13005, 13430, 13515, 14220, 15317, 16116, 16218, 16748, 17340, 18020, 20145, 20935, 22831, 24174, 25122, 26010, 26860, 27030, 30634, 32436, 37683, 40290, 40545, 41870, 45662, 45951, 48348, 50244, 52020, 54060, 60435, 61268, 62805, 68493, 71179, 75366, 76585, 80580, 81090, 83740, 91324, 91902, 114155, 120870, 125610, 136986, 137853, 142358, 150732, 153170, 162180, 183804, 188415, 205479, 213537, 228310, 229755, 241740, 251220, 273972, 275706, 284716, 306340, 342465, 355895, 376830, 410958, 427074, 456620, 459510, 551412, 640611, 684930, 689265, 711790, 753660, 821916, 854148, 919020, 1027395, 1067685, 1210043, 1281222, 1369860, 1378530, 1423580, 2054790, 2135370, 2420086, 2562444, 2757060, 3203055, 3630129, 4109580, 4270740, 4840172, 6050215, 6406110, 7260258, 10890387, 12100430, 12812220, 14520516, 18150645, 21780774, 24200860, 36301290, 43561548, 54451935, 72602580, 108903870, 217807740]

約数ペア:

[(1, 217807740), (2, 108903870), (3, 72602580), (4, 54451935), (5, 43561548), (6, 36301290), (9, 24200860), (10, 21780774), (12, 18150645), (15, 14520516), (17, 12812220), (18, 12100430), (20, 10890387), (30, 7260258), (34, 6406110), (36, 6050215), (45, 4840172), (51, 4270740), (53, 4109580), (60, 3630129), (68, 3203055), (79, 2757060), (85, 2562444), (90, 2420086), (102, 2135370), (106, 2054790), (153, 1423580), (158, 1378530), (159, 1369860), (170, 1281222), (180, 1210043), (204, 1067685), (212, 1027395), (237, 919020), (255, 854148), (265, 821916), (289, 753660), (306, 711790), (316, 689265), (318, 684930), (340, 640611), (395, 551412), (474, 459510), (477, 456620), (510, 427074), (530, 410958), (578, 376830), (612, 355895), (636, 342465), (711, 306340), (765, 284716), (790, 275706), (795, 273972), (867, 251220), (901, 241740), (948, 229755), (954, 228310), (1020, 213537), (1060, 205479), (1156, 188415), (1185, 183804), (1343, 162180), (1422, 153170), (1445, 150732), (1530, 142358), (1580, 137853), (1590, 136986), (1734, 125610), (1802, 120870), (1908, 114155), (2370, 91902), (2385, 91324), (2601, 83740), (2686, 81090), (2703, 80580), (2844, 76585), (2890, 75366), (3060, 71179), (3180, 68493), (3468, 62805), (3555, 61268), (3604, 60435), (4029, 54060), (4187, 52020), (4335, 50244), (4505, 48348), (4740, 45951), (4770, 45662), (5202, 41870), (5372, 40545), (5406, 40290), (5780, 37683), (6715, 32436), (7110, 30634), (8058, 27030), (8109, 26860), (8374, 26010), (8670, 25122), (9010, 24174), (9540, 22831), (10404, 20935), (10812, 20145), (12087, 18020), (12561, 17340), (13005, 16748), (13430, 16218), (13515, 16116), (14220, 15317)]