31424120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:217

約数の個数: 128

約数和(自身を含む): 88905600

約数和(自身を除く): 57481480

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 89, 91, 97, 104, 130, 140, 178, 182, 194, 260, 280, 356, 364, 388, 445, 455, 485, 520, 623, 679, 712, 728, 776, 890, 910, 970, 1157, 1246, 1261, 1358, 1780, 1820, 1940, 2314, 2492, 2522, 2716, 3115, 3395, 3560, 3640, 3880, 4628, 4984, 5044, 5432, 5785, 6230, 6305, 6790, 8099, 8633, 8827, 9256, 10088, 11570, 12460, 12610, 13580, 16198, 17266, 17654, 23140, 24920, 25220, 27160, 32396, 34532, 35308, 40495, 43165, 44135, 46280, 50440, 60431, 64792, 69064, 70616, 80990, 86330, 88270, 112229, 120862, 161980, 172660, 176540, 224458, 241724, 302155, 323960, 345320, 353080, 448916, 483448, 561145, 604310, 785603, 897832, 1122290, 1208620, 1571206, 2244580, 2417240, 3142412, 3928015, 4489160, 6284824, 7856030, 15712060, 31424120]

約数ペア:

[(1, 31424120), (2, 15712060), (4, 7856030), (5, 6284824), (7, 4489160), (8, 3928015), (10, 3142412), (13, 2417240), (14, 2244580), (20, 1571206), (26, 1208620), (28, 1122290), (35, 897832), (40, 785603), (52, 604310), (56, 561145), (65, 483448), (70, 448916), (89, 353080), (91, 345320), (97, 323960), (104, 302155), (130, 241724), (140, 224458), (178, 176540), (182, 172660), (194, 161980), (260, 120862), (280, 112229), (356, 88270), (364, 86330), (388, 80990), (445, 70616), (455, 69064), (485, 64792), (520, 60431), (623, 50440), (679, 46280), (712, 44135), (728, 43165), (776, 40495), (890, 35308), (910, 34532), (970, 32396), (1157, 27160), (1246, 25220), (1261, 24920), (1358, 23140), (1780, 17654), (1820, 17266), (1940, 16198), (2314, 13580), (2492, 12610), (2522, 12460), (2716, 11570), (3115, 10088), (3395, 9256), (3560, 8827), (3640, 8633), (3880, 8099), (4628, 6790), (4984, 6305), (5044, 6230), (5432, 5785)]