981261840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{16553}}^1$

素因数の和:16601

約数の個数: 160

約数和(自身を含む): 3448529280

約数和(自身を除く): 2467267440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 19, 20, 24, 26, 30, 38, 39, 40, 48, 52, 57, 60, 65, 76, 78, 80, 95, 104, 114, 120, 130, 152, 156, 190, 195, 208, 228, 240, 247, 260, 285, 304, 312, 380, 390, 456, 494, 520, 570, 624, 741, 760, 780, 912, 988, 1040, 1140, 1235, 1482, 1520, 1560, 1976, 2280, 2470, 2964, 3120, 3705, 3952, 4560, 4940, 5928, 7410, 9880, 11856, 14820, 16553, 19760, 29640, 33106, 49659, 59280, 66212, 82765, 99318, 132424, 165530, 198636, 215189, 248295, 264848, 314507, 331060, 397272, 430378, 496590, 629014, 645567, 662120, 794544, 860756, 943521, 993180, 1075945, 1258028, 1291134, 1324240, 1572535, 1721512, 1887042, 1986360, 2151890, 2516056, 2582268, 3145070, 3227835, 3443024, 3774084, 3972720, 4088591, 4303780, 4717605, 5032112, 5164536, 6290140, 6455670, 7548168, 8177182, 8607560, 9435210, 10329072, 12265773, 12580280, 12911340, 15096336, 16354364, 17215120, 18870420, 20442955, 24531546, 25160560, 25822680, 32708728, 37740840, 40885910, 49063092, 51645360, 61328865, 65417456, 75481680, 81771820, 98126184, 122657730, 163543640, 196252368, 245315460, 327087280, 490630920, 981261840]

約数ペア:

[(1, 981261840), (2, 490630920), (3, 327087280), (4, 245315460), (5, 196252368), (6, 163543640), (8, 122657730), (10, 98126184), (12, 81771820), (13, 75481680), (15, 65417456), (16, 61328865), (19, 51645360), (20, 49063092), (24, 40885910), (26, 37740840), (30, 32708728), (38, 25822680), (39, 25160560), (40, 24531546), (48, 20442955), (52, 18870420), (57, 17215120), (60, 16354364), (65, 15096336), (76, 12911340), (78, 12580280), (80, 12265773), (95, 10329072), (104, 9435210), (114, 8607560), (120, 8177182), (130, 7548168), (152, 6455670), (156, 6290140), (190, 5164536), (195, 5032112), (208, 4717605), (228, 4303780), (240, 4088591), (247, 3972720), (260, 3774084), (285, 3443024), (304, 3227835), (312, 3145070), (380, 2582268), (390, 2516056), (456, 2151890), (494, 1986360), (520, 1887042), (570, 1721512), (624, 1572535), (741, 1324240), (760, 1291134), (780, 1258028), (912, 1075945), (988, 993180), (1040, 943521), (1140, 860756), (1235, 794544), (1482, 662120), (1520, 645567), (1560, 629014), (1976, 496590), (2280, 430378), (2470, 397272), (2964, 331060), (3120, 314507), (3705, 264848), (3952, 248295), (4560, 215189), (4940, 198636), (5928, 165530), (7410, 132424), (9880, 99318), (11856, 82765), (14820, 66212), (16553, 59280), (19760, 49659), (29640, 33106)]