1878167970

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{211}}^1$

素因数の和:501

約数の個数: 192

約数和(自身を含む): 5714841600

約数和(自身を除く): 3836673630

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 71, 90, 105, 126, 142, 199, 210, 211, 213, 315, 355, 398, 422, 426, 497, 597, 630, 633, 639, 710, 994, 995, 1055, 1065, 1194, 1266, 1278, 1393, 1477, 1491, 1791, 1899, 1990, 2110, 2130, 2485, 2786, 2954, 2982, 2985, 3165, 3195, 3582, 3798, 4179, 4431, 4473, 4970, 5970, 6330, 6390, 6965, 7385, 7455, 8358, 8862, 8946, 8955, 9495, 12537, 13293, 13930, 14129, 14770, 14910, 14981, 17910, 18990, 20895, 22155, 22365, 25074, 26586, 28258, 29962, 41790, 41989, 42387, 44310, 44730, 44943, 62685, 66465, 70645, 74905, 83978, 84774, 89886, 98903, 104867, 125370, 125967, 127161, 132930, 134829, 141290, 149810, 197806, 209734, 209945, 211935, 224715, 251934, 254322, 269658, 293923, 296709, 314601, 377901, 419890, 423870, 449430, 494515, 524335, 587846, 593418, 629202, 629835, 635805, 674145, 755802, 881769, 890127, 943803, 989030, 1048670, 1259670, 1271610, 1348290, 1469615, 1483545, 1573005, 1763538, 1780254, 1887606, 1889505, 2645307, 2939230, 2967090, 2981219, 3146010, 3779010, 4408845, 4450635, 4719015, 5290614, 5962438, 8817690, 8901270, 8943657, 9438030, 13226535, 14906095, 17887314, 20868533, 26453070, 26830971, 29812190, 41737066, 44718285, 53661942, 62605599, 89436570, 104342665, 125211198, 134154855, 187816797, 208685330, 268309710, 313027995, 375633594, 626055990, 939083985, 1878167970]

約数ペア:

[(1, 1878167970), (2, 939083985), (3, 626055990), (5, 375633594), (6, 313027995), (7, 268309710), (9, 208685330), (10, 187816797), (14, 134154855), (15, 125211198), (18, 104342665), (21, 89436570), (30, 62605599), (35, 53661942), (42, 44718285), (45, 41737066), (63, 29812190), (70, 26830971), (71, 26453070), (90, 20868533), (105, 17887314), (126, 14906095), (142, 13226535), (199, 9438030), (210, 8943657), (211, 8901270), (213, 8817690), (315, 5962438), (355, 5290614), (398, 4719015), (422, 4450635), (426, 4408845), (497, 3779010), (597, 3146010), (630, 2981219), (633, 2967090), (639, 2939230), (710, 2645307), (994, 1889505), (995, 1887606), (1055, 1780254), (1065, 1763538), (1194, 1573005), (1266, 1483545), (1278, 1469615), (1393, 1348290), (1477, 1271610), (1491, 1259670), (1791, 1048670), (1899, 989030), (1990, 943803), (2110, 890127), (2130, 881769), (2485, 755802), (2786, 674145), (2954, 635805), (2982, 629835), (2985, 629202), (3165, 593418), (3195, 587846), (3582, 524335), (3798, 494515), (4179, 449430), (4431, 423870), (4473, 419890), (4970, 377901), (5970, 314601), (6330, 296709), (6390, 293923), (6965, 269658), (7385, 254322), (7455, 251934), (8358, 224715), (8862, 211935), (8946, 209945), (8955, 209734), (9495, 197806), (12537, 149810), (13293, 141290), (13930, 134829), (14129, 132930), (14770, 127161), (14910, 125967), (14981, 125370), (17910, 104867), (18990, 98903), (20895, 89886), (22155, 84774), (22365, 83978), (25074, 74905), (26586, 70645), (28258, 66465), (29962, 62685), (41790, 44943), (41989, 44730), (42387, 44310)]