319152120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19997}}^1$

素因数の和:20037

約数の個数: 128

約数和(自身を含む): 1151884800

約数和(自身を除く): 832732680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 380, 399, 420, 456, 532, 570, 665, 760, 798, 840, 1064, 1140, 1330, 1596, 1995, 2280, 2660, 3192, 3990, 5320, 7980, 15960, 19997, 39994, 59991, 79988, 99985, 119982, 139979, 159976, 199970, 239964, 279958, 299955, 379943, 399940, 419937, 479928, 559916, 599910, 699895, 759886, 799880, 839874, 1119832, 1139829, 1199820, 1399790, 1519772, 1679748, 1899715, 2099685, 2279658, 2399640, 2659601, 2799580, 3039544, 3359496, 3799430, 4199370, 4559316, 5319202, 5599160, 5699145, 7598860, 7978803, 8398740, 9118632, 10638404, 11398290, 13298005, 15197720, 15957606, 16797480, 21276808, 22796580, 26596010, 31915212, 39894015, 45593160, 53192020, 63830424, 79788030, 106384040, 159576060, 319152120]

約数ペア:

[(1, 319152120), (2, 159576060), (3, 106384040), (4, 79788030), (5, 63830424), (6, 53192020), (7, 45593160), (8, 39894015), (10, 31915212), (12, 26596010), (14, 22796580), (15, 21276808), (19, 16797480), (20, 15957606), (21, 15197720), (24, 13298005), (28, 11398290), (30, 10638404), (35, 9118632), (38, 8398740), (40, 7978803), (42, 7598860), (56, 5699145), (57, 5599160), (60, 5319202), (70, 4559316), (76, 4199370), (84, 3799430), (95, 3359496), (105, 3039544), (114, 2799580), (120, 2659601), (133, 2399640), (140, 2279658), (152, 2099685), (168, 1899715), (190, 1679748), (210, 1519772), (228, 1399790), (266, 1199820), (280, 1139829), (285, 1119832), (380, 839874), (399, 799880), (420, 759886), (456, 699895), (532, 599910), (570, 559916), (665, 479928), (760, 419937), (798, 399940), (840, 379943), (1064, 299955), (1140, 279958), (1330, 239964), (1596, 199970), (1995, 159976), (2280, 139979), (2660, 119982), (3192, 99985), (3990, 79988), (5320, 59991), (7980, 39994), (15960, 19997)]