71534640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:319

約数の個数: 160

約数和(自身を含む): 238645440

約数和(自身を除く): 167110800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 89, 102, 120, 136, 170, 178, 197, 204, 240, 255, 267, 272, 340, 356, 394, 408, 445, 510, 534, 591, 680, 712, 788, 816, 890, 985, 1020, 1068, 1182, 1335, 1360, 1424, 1513, 1576, 1780, 1970, 2040, 2136, 2364, 2670, 2955, 3026, 3152, 3349, 3560, 3940, 4080, 4272, 4539, 4728, 5340, 5910, 6052, 6698, 7120, 7565, 7880, 9078, 9456, 10047, 10680, 11820, 12104, 13396, 15130, 15760, 16745, 17533, 18156, 20094, 21360, 22695, 23640, 24208, 26792, 30260, 33490, 35066, 36312, 40188, 45390, 47280, 50235, 52599, 53584, 60520, 66980, 70132, 72624, 80376, 87665, 90780, 100470, 105198, 121040, 133960, 140264, 160752, 175330, 181560, 200940, 210396, 262995, 267920, 280528, 298061, 350660, 363120, 401880, 420792, 525990, 596122, 701320, 803760, 841584, 894183, 1051980, 1192244, 1402640, 1490305, 1788366, 2103960, 2384488, 2980610, 3576732, 4207920, 4470915, 4768976, 5961220, 7153464, 8941830, 11922440, 14306928, 17883660, 23844880, 35767320, 71534640]

約数ペア:

[(1, 71534640), (2, 35767320), (3, 23844880), (4, 17883660), (5, 14306928), (6, 11922440), (8, 8941830), (10, 7153464), (12, 5961220), (15, 4768976), (16, 4470915), (17, 4207920), (20, 3576732), (24, 2980610), (30, 2384488), (34, 2103960), (40, 1788366), (48, 1490305), (51, 1402640), (60, 1192244), (68, 1051980), (80, 894183), (85, 841584), (89, 803760), (102, 701320), (120, 596122), (136, 525990), (170, 420792), (178, 401880), (197, 363120), (204, 350660), (240, 298061), (255, 280528), (267, 267920), (272, 262995), (340, 210396), (356, 200940), (394, 181560), (408, 175330), (445, 160752), (510, 140264), (534, 133960), (591, 121040), (680, 105198), (712, 100470), (788, 90780), (816, 87665), (890, 80376), (985, 72624), (1020, 70132), (1068, 66980), (1182, 60520), (1335, 53584), (1360, 52599), (1424, 50235), (1513, 47280), (1576, 45390), (1780, 40188), (1970, 36312), (2040, 35066), (2136, 33490), (2364, 30260), (2670, 26792), (2955, 24208), (3026, 23640), (3152, 22695), (3349, 21360), (3560, 20094), (3940, 18156), (4080, 17533), (4272, 16745), (4539, 15760), (4728, 15130), (5340, 13396), (5910, 12104), (6052, 11820), (6698, 10680), (7120, 10047), (7565, 9456), (7880, 9078)]