320447280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{78541}}^1$

素因数の和:78574

約数の個数: 80

約数和(自身を含む): 1051834464

約数和(自身を除く): 731387184

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, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 78541, 157082, 235623, 314164, 392705, 471246, 628328, 785410, 942492, 1178115, 1256656, 1335197, 1570820, 1884984, 2356230, 2670394, 3141640, 3769968, 4005591, 4712460, 5340788, 6283280, 6675985, 8011182, 9424920, 10681576, 13351970, 16022364, 18849840, 20027955, 21363152, 26703940, 32044728, 40055910, 53407880, 64089456, 80111820, 106815760, 160223640, 320447280]

約数ペア:

[(1, 320447280), (2, 160223640), (3, 106815760), (4, 80111820), (5, 64089456), (6, 53407880), (8, 40055910), (10, 32044728), (12, 26703940), (15, 21363152), (16, 20027955), (17, 18849840), (20, 16022364), (24, 13351970), (30, 10681576), (34, 9424920), (40, 8011182), (48, 6675985), (51, 6283280), (60, 5340788), (68, 4712460), (80, 4005591), (85, 3769968), (102, 3141640), (120, 2670394), (136, 2356230), (170, 1884984), (204, 1570820), (240, 1335197), (255, 1256656), (272, 1178115), (340, 942492), (408, 785410), (510, 628328), (680, 471246), (816, 392705), (1020, 314164), (1360, 235623), (2040, 157082), (4080, 78541)]