131473160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1901}}^1$

素因数の和:1951

約数の個数: 128

約数和(自身を含む): 383443200

約数和(自身を除く): 251970040

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 19, 20, 26, 28, 35, 38, 40, 52, 56, 65, 70, 76, 91, 95, 104, 130, 133, 140, 152, 182, 190, 247, 260, 266, 280, 364, 380, 455, 494, 520, 532, 665, 728, 760, 910, 988, 1064, 1235, 1330, 1729, 1820, 1901, 1976, 2470, 2660, 3458, 3640, 3802, 4940, 5320, 6916, 7604, 8645, 9505, 9880, 13307, 13832, 15208, 17290, 19010, 24713, 26614, 34580, 36119, 38020, 49426, 53228, 66535, 69160, 72238, 76040, 98852, 106456, 123565, 133070, 144476, 172991, 180595, 197704, 247130, 252833, 266140, 288952, 345982, 361190, 469547, 494260, 505666, 532280, 691964, 722380, 864955, 939094, 988520, 1011332, 1264165, 1383928, 1444760, 1729910, 1878188, 2022664, 2347735, 2528330, 3286829, 3459820, 3756376, 4695470, 5056660, 6573658, 6919640, 9390940, 10113320, 13147316, 16434145, 18781880, 26294632, 32868290, 65736580, 131473160]

約数ペア:

[(1, 131473160), (2, 65736580), (4, 32868290), (5, 26294632), (7, 18781880), (8, 16434145), (10, 13147316), (13, 10113320), (14, 9390940), (19, 6919640), (20, 6573658), (26, 5056660), (28, 4695470), (35, 3756376), (38, 3459820), (40, 3286829), (52, 2528330), (56, 2347735), (65, 2022664), (70, 1878188), (76, 1729910), (91, 1444760), (95, 1383928), (104, 1264165), (130, 1011332), (133, 988520), (140, 939094), (152, 864955), (182, 722380), (190, 691964), (247, 532280), (260, 505666), (266, 494260), (280, 469547), (364, 361190), (380, 345982), (455, 288952), (494, 266140), (520, 252833), (532, 247130), (665, 197704), (728, 180595), (760, 172991), (910, 144476), (988, 133070), (1064, 123565), (1235, 106456), (1330, 98852), (1729, 76040), (1820, 72238), (1901, 69160), (1976, 66535), (2470, 53228), (2660, 49426), (3458, 38020), (3640, 36119), (3802, 34580), (4940, 26614), (5320, 24713), (6916, 19010), (7604, 17290), (8645, 15208), (9505, 13832), (9880, 13307)]