251605980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{179}}^1$

素因数の和:353

約数の個数: 192

約数和(自身を含む): 834624000

約数和(自身を除く): 583018020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 90, 95, 108, 114, 135, 137, 171, 179, 180, 190, 228, 270, 274, 285, 342, 358, 380, 411, 513, 537, 540, 548, 570, 684, 685, 716, 822, 855, 895, 1026, 1074, 1140, 1233, 1370, 1611, 1644, 1710, 1790, 2052, 2055, 2148, 2466, 2565, 2603, 2685, 2740, 3222, 3401, 3420, 3580, 3699, 4110, 4833, 4932, 5130, 5206, 5370, 6165, 6444, 6802, 7398, 7809, 8055, 8220, 9666, 10203, 10260, 10412, 10740, 12330, 13015, 13604, 14796, 15618, 16110, 17005, 18495, 19332, 20406, 23427, 24165, 24523, 24660, 26030, 30609, 31236, 32220, 34010, 36990, 39045, 40812, 46854, 48330, 49046, 51015, 52060, 61218, 68020, 70281, 73569, 73980, 78090, 91827, 93708, 96660, 98092, 102030, 117135, 122436, 122615, 140562, 147138, 153045, 156180, 183654, 204060, 220707, 234270, 245230, 281124, 294276, 306090, 351405, 367308, 367845, 441414, 459135, 465937, 468540, 490460, 612180, 662121, 702810, 735690, 882828, 918270, 931874, 1103535, 1324242, 1397811, 1405620, 1471380, 1836540, 1863748, 2207070, 2329685, 2648484, 2795622, 3310605, 4193433, 4414140, 4659370, 5591244, 6621210, 6989055, 8386866, 9318740, 12580299, 13242420, 13978110, 16773732, 20967165, 25160598, 27956220, 41934330, 50321196, 62901495, 83868660, 125802990, 251605980]

約数ペア:

[(1, 251605980), (2, 125802990), (3, 83868660), (4, 62901495), (5, 50321196), (6, 41934330), (9, 27956220), (10, 25160598), (12, 20967165), (15, 16773732), (18, 13978110), (19, 13242420), (20, 12580299), (27, 9318740), (30, 8386866), (36, 6989055), (38, 6621210), (45, 5591244), (54, 4659370), (57, 4414140), (60, 4193433), (76, 3310605), (90, 2795622), (95, 2648484), (108, 2329685), (114, 2207070), (135, 1863748), (137, 1836540), (171, 1471380), (179, 1405620), (180, 1397811), (190, 1324242), (228, 1103535), (270, 931874), (274, 918270), (285, 882828), (342, 735690), (358, 702810), (380, 662121), (411, 612180), (513, 490460), (537, 468540), (540, 465937), (548, 459135), (570, 441414), (684, 367845), (685, 367308), (716, 351405), (822, 306090), (855, 294276), (895, 281124), (1026, 245230), (1074, 234270), (1140, 220707), (1233, 204060), (1370, 183654), (1611, 156180), (1644, 153045), (1710, 147138), (1790, 140562), (2052, 122615), (2055, 122436), (2148, 117135), (2466, 102030), (2565, 98092), (2603, 96660), (2685, 93708), (2740, 91827), (3222, 78090), (3401, 73980), (3420, 73569), (3580, 70281), (3699, 68020), (4110, 61218), (4833, 52060), (4932, 51015), (5130, 49046), (5206, 48330), (5370, 46854), (6165, 40812), (6444, 39045), (6802, 36990), (7398, 34010), (7809, 32220), (8055, 31236), (8220, 30609), (9666, 26030), (10203, 24660), (10260, 24523), (10412, 24165), (10740, 23427), (12330, 20406), (13015, 19332), (13604, 18495), (14796, 17005), (15618, 16110)]