2492490

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1$

素因数の和:124

約数の個数: 128

約数和(自身を含む): 8128512

約数和(自身を除く): 5636022

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 13, 14, 15, 21, 22, 26, 30, 33, 35, 39, 42, 55, 65, 66, 70, 77, 78, 83, 91, 105, 110, 130, 143, 154, 165, 166, 182, 195, 210, 231, 249, 273, 286, 330, 385, 390, 415, 429, 455, 462, 498, 546, 581, 715, 770, 830, 858, 910, 913, 1001, 1079, 1155, 1162, 1245, 1365, 1430, 1743, 1826, 2002, 2145, 2158, 2310, 2490, 2730, 2739, 2905, 3003, 3237, 3486, 4290, 4565, 5005, 5395, 5478, 5810, 6006, 6391, 6474, 7553, 8715, 9130, 10010, 10790, 11869, 12782, 13695, 15015, 15106, 16185, 17430, 19173, 22659, 23738, 27390, 30030, 31955, 32370, 35607, 37765, 38346, 45318, 59345, 63910, 71214, 75530, 83083, 95865, 113295, 118690, 166166, 178035, 191730, 226590, 249249, 356070, 415415, 498498, 830830, 1246245, 2492490]

約数ペア:

[(1, 2492490), (2, 1246245), (3, 830830), (5, 498498), (6, 415415), (7, 356070), (10, 249249), (11, 226590), (13, 191730), (14, 178035), (15, 166166), (21, 118690), (22, 113295), (26, 95865), (30, 83083), (33, 75530), (35, 71214), (39, 63910), (42, 59345), (55, 45318), (65, 38346), (66, 37765), (70, 35607), (77, 32370), (78, 31955), (83, 30030), (91, 27390), (105, 23738), (110, 22659), (130, 19173), (143, 17430), (154, 16185), (165, 15106), (166, 15015), (182, 13695), (195, 12782), (210, 11869), (231, 10790), (249, 10010), (273, 9130), (286, 8715), (330, 7553), (385, 6474), (390, 6391), (415, 6006), (429, 5810), (455, 5478), (462, 5395), (498, 5005), (546, 4565), (581, 4290), (715, 3486), (770, 3237), (830, 3003), (858, 2905), (910, 2739), (913, 2730), (1001, 2490), (1079, 2310), (1155, 2158), (1162, 2145), (1245, 2002), (1365, 1826), (1430, 1743)]