212541420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:189

約数の個数: 288

約数和(自身を含む): 765773568

約数和(自身を除く): 553232148

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 49, 52, 60, 65, 67, 70, 78, 83, 84, 91, 98, 105, 130, 134, 140, 147, 156, 166, 182, 195, 196, 201, 210, 245, 249, 260, 268, 273, 294, 332, 335, 364, 390, 402, 415, 420, 455, 469, 490, 498, 546, 581, 588, 637, 670, 735, 780, 804, 830, 871, 910, 938, 980, 996, 1005, 1079, 1092, 1162, 1245, 1274, 1340, 1365, 1407, 1470, 1660, 1742, 1743, 1820, 1876, 1911, 2010, 2158, 2324, 2345, 2490, 2548, 2613, 2730, 2814, 2905, 2940, 3185, 3237, 3283, 3484, 3486, 3822, 4020, 4067, 4316, 4355, 4690, 4980, 5226, 5395, 5460, 5561, 5628, 5810, 6097, 6370, 6474, 6566, 6972, 7035, 7553, 7644, 8134, 8710, 8715, 9380, 9555, 9849, 10452, 10790, 11122, 11620, 12194, 12201, 12740, 12948, 13065, 13132, 14070, 15106, 16185, 16268, 16415, 16683, 17420, 17430, 18291, 19110, 19698, 20335, 21580, 22244, 22659, 24388, 24402, 26130, 27805, 28140, 30212, 30485, 32370, 32830, 33366, 34860, 36582, 37765, 38220, 38927, 39396, 40670, 42679, 45318, 48804, 49245, 52260, 52871, 55610, 60970, 61005, 64740, 65660, 66732, 72293, 73164, 75530, 77854, 81340, 83415, 85358, 90636, 91455, 98490, 105742, 111220, 113295, 116781, 121940, 122010, 128037, 144586, 151060, 155708, 158613, 166830, 170716, 182910, 194635, 196980, 211484, 213395, 216879, 226590, 233562, 244020, 256074, 264355, 272489, 289172, 317226, 333660, 361465, 365820, 389270, 426790, 433758, 453180, 467124, 506051, 512148, 528710, 544978, 583905, 634452, 640185, 722930, 778540, 793065, 817467, 853580, 867516, 1012102, 1057420, 1084395, 1089956, 1167810, 1280370, 1362445, 1445860, 1518153, 1586130, 1634934, 2024204, 2168790, 2335620, 2530255, 2560740, 2724890, 3036306, 3172260, 3269868, 3542357, 4087335, 4337580, 5060510, 5449780, 6072612, 7084714, 7590765, 8174670, 10121020, 10627071, 14169428, 15181530, 16349340, 17711785, 21254142, 30363060, 35423570, 42508284, 53135355, 70847140, 106270710, 212541420]

約数ペア:

[(1, 212541420), (2, 106270710), (3, 70847140), (4, 53135355), (5, 42508284), (6, 35423570), (7, 30363060), (10, 21254142), (12, 17711785), (13, 16349340), (14, 15181530), (15, 14169428), (20, 10627071), (21, 10121020), (26, 8174670), (28, 7590765), (30, 7084714), (35, 6072612), (39, 5449780), (42, 5060510), (49, 4337580), (52, 4087335), (60, 3542357), (65, 3269868), (67, 3172260), (70, 3036306), (78, 2724890), (83, 2560740), (84, 2530255), (91, 2335620), (98, 2168790), (105, 2024204), (130, 1634934), (134, 1586130), (140, 1518153), (147, 1445860), (156, 1362445), (166, 1280370), (182, 1167810), (195, 1089956), (196, 1084395), (201, 1057420), (210, 1012102), (245, 867516), (249, 853580), (260, 817467), (268, 793065), (273, 778540), (294, 722930), (332, 640185), (335, 634452), (364, 583905), (390, 544978), (402, 528710), (415, 512148), (420, 506051), (455, 467124), (469, 453180), (490, 433758), (498, 426790), (546, 389270), (581, 365820), (588, 361465), (637, 333660), (670, 317226), (735, 289172), (780, 272489), (804, 264355), (830, 256074), (871, 244020), (910, 233562), (938, 226590), (980, 216879), (996, 213395), (1005, 211484), (1079, 196980), (1092, 194635), (1162, 182910), (1245, 170716), (1274, 166830), (1340, 158613), (1365, 155708), (1407, 151060), (1470, 144586), (1660, 128037), (1742, 122010), (1743, 121940), (1820, 116781), (1876, 113295), (1911, 111220), (2010, 105742), (2158, 98490), (2324, 91455), (2345, 90636), (2490, 85358), (2548, 83415), (2613, 81340), (2730, 77854), (2814, 75530), (2905, 73164), (2940, 72293), (3185, 66732), (3237, 65660), (3283, 64740), (3484, 61005), (3486, 60970), (3822, 55610), (4020, 52871), (4067, 52260), (4316, 49245), (4355, 48804), (4690, 45318), (4980, 42679), (5226, 40670), (5395, 39396), (5460, 38927), (5561, 38220), (5628, 37765), (5810, 36582), (6097, 34860), (6370, 33366), (6474, 32830), (6566, 32370), (6972, 30485), (7035, 30212), (7553, 28140), (7644, 27805), (8134, 26130), (8710, 24402), (8715, 24388), (9380, 22659), (9555, 22244), (9849, 21580), (10452, 20335), (10790, 19698), (11122, 19110), (11620, 18291), (12194, 17430), (12201, 17420), (12740, 16683), (12948, 16415), (13065, 16268), (13132, 16185), (14070, 15106)]