86378240

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1$

素因数の和:242

約数の個数: 144

約数和(自身を含む): 231789600

約数和(自身を除く): 145411360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 32, 40, 52, 58, 64, 65, 80, 104, 116, 128, 130, 145, 160, 179, 208, 232, 256, 260, 290, 320, 358, 377, 416, 464, 520, 580, 640, 716, 754, 832, 895, 928, 1040, 1160, 1280, 1432, 1508, 1664, 1790, 1856, 1885, 2080, 2320, 2327, 2864, 3016, 3328, 3580, 3712, 3770, 4160, 4640, 4654, 5191, 5728, 6032, 7160, 7424, 7540, 8320, 9280, 9308, 10382, 11456, 11635, 12064, 14320, 15080, 16640, 18560, 18616, 20764, 22912, 23270, 24128, 25955, 28640, 30160, 37120, 37232, 41528, 45824, 46540, 48256, 51910, 57280, 60320, 67483, 74464, 83056, 93080, 96512, 103820, 114560, 120640, 134966, 148928, 166112, 186160, 207640, 229120, 241280, 269932, 297856, 332224, 337415, 372320, 415280, 482560, 539864, 595712, 664448, 674830, 744640, 830560, 1079728, 1328896, 1349660, 1489280, 1661120, 2159456, 2699320, 2978560, 3322240, 4318912, 5398640, 6644480, 8637824, 10797280, 17275648, 21594560, 43189120, 86378240]

約数ペア:

[(1, 86378240), (2, 43189120), (4, 21594560), (5, 17275648), (8, 10797280), (10, 8637824), (13, 6644480), (16, 5398640), (20, 4318912), (26, 3322240), (29, 2978560), (32, 2699320), (40, 2159456), (52, 1661120), (58, 1489280), (64, 1349660), (65, 1328896), (80, 1079728), (104, 830560), (116, 744640), (128, 674830), (130, 664448), (145, 595712), (160, 539864), (179, 482560), (208, 415280), (232, 372320), (256, 337415), (260, 332224), (290, 297856), (320, 269932), (358, 241280), (377, 229120), (416, 207640), (464, 186160), (520, 166112), (580, 148928), (640, 134966), (716, 120640), (754, 114560), (832, 103820), (895, 96512), (928, 93080), (1040, 83056), (1160, 74464), (1280, 67483), (1432, 60320), (1508, 57280), (1664, 51910), (1790, 48256), (1856, 46540), (1885, 45824), (2080, 41528), (2320, 37232), (2327, 37120), (2864, 30160), (3016, 28640), (3328, 25955), (3580, 24128), (3712, 23270), (3770, 22912), (4160, 20764), (4640, 18616), (4654, 18560), (5191, 16640), (5728, 15080), (6032, 14320), (7160, 12064), (7424, 11635), (7540, 11456), (8320, 10382), (9280, 9308)]