279569940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{349}}^1$

素因数の和:466

約数の個数: 144

約数和(自身を含む): 860832000

約数和(自身を除く): 581262060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 79, 130, 156, 158, 169, 195, 237, 260, 316, 338, 349, 390, 395, 474, 507, 676, 698, 780, 790, 845, 948, 1014, 1027, 1047, 1185, 1396, 1580, 1690, 1745, 2028, 2054, 2094, 2370, 2535, 3081, 3380, 3490, 4108, 4188, 4537, 4740, 5070, 5135, 5235, 6162, 6980, 9074, 10140, 10270, 10470, 12324, 13351, 13611, 15405, 18148, 20540, 20940, 22685, 26702, 27222, 27571, 30810, 40053, 45370, 53404, 54444, 55142, 58981, 61620, 66755, 68055, 80106, 82713, 90740, 110284, 117962, 133510, 136110, 137855, 160212, 165426, 176943, 200265, 235924, 267020, 272220, 275710, 294905, 330852, 353886, 358423, 400530, 413565, 551420, 589810, 707772, 716846, 801060, 827130, 884715, 1075269, 1179620, 1433692, 1654260, 1769430, 1792115, 2150538, 3538860, 3584230, 4301076, 4659499, 5376345, 7168460, 9318998, 10752690, 13978497, 18637996, 21505380, 23297495, 27956994, 46594990, 55913988, 69892485, 93189980, 139784970, 279569940]

約数ペア:

[(1, 279569940), (2, 139784970), (3, 93189980), (4, 69892485), (5, 55913988), (6, 46594990), (10, 27956994), (12, 23297495), (13, 21505380), (15, 18637996), (20, 13978497), (26, 10752690), (30, 9318998), (39, 7168460), (52, 5376345), (60, 4659499), (65, 4301076), (78, 3584230), (79, 3538860), (130, 2150538), (156, 1792115), (158, 1769430), (169, 1654260), (195, 1433692), (237, 1179620), (260, 1075269), (316, 884715), (338, 827130), (349, 801060), (390, 716846), (395, 707772), (474, 589810), (507, 551420), (676, 413565), (698, 400530), (780, 358423), (790, 353886), (845, 330852), (948, 294905), (1014, 275710), (1027, 272220), (1047, 267020), (1185, 235924), (1396, 200265), (1580, 176943), (1690, 165426), (1745, 160212), (2028, 137855), (2054, 136110), (2094, 133510), (2370, 117962), (2535, 110284), (3081, 90740), (3380, 82713), (3490, 80106), (4108, 68055), (4188, 66755), (4537, 61620), (4740, 58981), (5070, 55142), (5135, 54444), (5235, 53404), (6162, 45370), (6980, 40053), (9074, 30810), (10140, 27571), (10270, 27222), (10470, 26702), (12324, 22685), (13351, 20940), (13611, 20540), (15405, 18148)]