78730920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{269}}^1\times {\mathrm{271}}^1$

素因数の和:560

約数の個数: 128

約数和(自身を含む): 264384000

約数和(自身を除く): 185653080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 269, 270, 271, 360, 538, 540, 542, 807, 813, 1076, 1080, 1084, 1345, 1355, 1614, 1626, 2152, 2168, 2421, 2439, 2690, 2710, 3228, 3252, 4035, 4065, 4842, 4878, 5380, 5420, 6456, 6504, 7263, 7317, 8070, 8130, 9684, 9756, 10760, 10840, 12105, 12195, 14526, 14634, 16140, 16260, 19368, 19512, 24210, 24390, 29052, 29268, 32280, 32520, 36315, 36585, 48420, 48780, 58104, 58536, 72630, 72899, 73170, 96840, 97560, 145260, 145798, 146340, 218697, 290520, 291596, 292680, 364495, 437394, 583192, 656091, 728990, 874788, 1093485, 1312182, 1457980, 1749576, 1968273, 2186970, 2624364, 2915960, 3280455, 3936546, 4373940, 5248728, 6560910, 7873092, 8747880, 9841365, 13121820, 15746184, 19682730, 26243640, 39365460, 78730920]

約数ペア:

[(1, 78730920), (2, 39365460), (3, 26243640), (4, 19682730), (5, 15746184), (6, 13121820), (8, 9841365), (9, 8747880), (10, 7873092), (12, 6560910), (15, 5248728), (18, 4373940), (20, 3936546), (24, 3280455), (27, 2915960), (30, 2624364), (36, 2186970), (40, 1968273), (45, 1749576), (54, 1457980), (60, 1312182), (72, 1093485), (90, 874788), (108, 728990), (120, 656091), (135, 583192), (180, 437394), (216, 364495), (269, 292680), (270, 291596), (271, 290520), (360, 218697), (538, 146340), (540, 145798), (542, 145260), (807, 97560), (813, 96840), (1076, 73170), (1080, 72899), (1084, 72630), (1345, 58536), (1355, 58104), (1614, 48780), (1626, 48420), (2152, 36585), (2168, 36315), (2421, 32520), (2439, 32280), (2690, 29268), (2710, 29052), (3228, 24390), (3252, 24210), (4035, 19512), (4065, 19368), (4842, 16260), (4878, 16140), (5380, 14634), (5420, 14526), (6456, 12195), (6504, 12105), (7263, 10840), (7317, 10760), (8070, 9756), (8130, 9684)]