219121020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{367}}^1$

素因数の和:520

約数の個数: 144

約数和(自身を含む): 694407168

約数和(自身を除く): 475286148

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 107, 124, 155, 180, 186, 214, 279, 310, 321, 367, 372, 428, 465, 535, 558, 620, 642, 734, 930, 963, 1070, 1101, 1116, 1284, 1395, 1468, 1605, 1835, 1860, 1926, 2140, 2202, 2790, 3210, 3303, 3317, 3670, 3852, 4404, 4815, 5505, 5580, 6420, 6606, 6634, 7340, 9630, 9951, 11010, 11377, 13212, 13268, 16515, 16585, 19260, 19902, 22020, 22754, 29853, 33030, 33170, 34131, 39269, 39804, 45508, 49755, 56885, 59706, 66060, 66340, 68262, 78538, 99510, 102393, 113770, 117807, 119412, 136524, 149265, 157076, 170655, 196345, 199020, 204786, 227540, 235614, 298530, 341310, 353421, 392690, 409572, 471228, 511965, 589035, 597060, 682620, 706842, 785380, 1023930, 1178070, 1217339, 1413684, 1767105, 2047860, 2356140, 2434678, 3534210, 3652017, 4869356, 6086695, 7068420, 7304034, 10956051, 12173390, 14608068, 18260085, 21912102, 24346780, 36520170, 43824204, 54780255, 73040340, 109560510, 219121020]

約数ペア:

[(1, 219121020), (2, 109560510), (3, 73040340), (4, 54780255), (5, 43824204), (6, 36520170), (9, 24346780), (10, 21912102), (12, 18260085), (15, 14608068), (18, 12173390), (20, 10956051), (30, 7304034), (31, 7068420), (36, 6086695), (45, 4869356), (60, 3652017), (62, 3534210), (90, 2434678), (93, 2356140), (107, 2047860), (124, 1767105), (155, 1413684), (180, 1217339), (186, 1178070), (214, 1023930), (279, 785380), (310, 706842), (321, 682620), (367, 597060), (372, 589035), (428, 511965), (465, 471228), (535, 409572), (558, 392690), (620, 353421), (642, 341310), (734, 298530), (930, 235614), (963, 227540), (1070, 204786), (1101, 199020), (1116, 196345), (1284, 170655), (1395, 157076), (1468, 149265), (1605, 136524), (1835, 119412), (1860, 117807), (1926, 113770), (2140, 102393), (2202, 99510), (2790, 78538), (3210, 68262), (3303, 66340), (3317, 66060), (3670, 59706), (3852, 56885), (4404, 49755), (4815, 45508), (5505, 39804), (5580, 39269), (6420, 34131), (6606, 33170), (6634, 33030), (7340, 29853), (9630, 22754), (9951, 22020), (11010, 19902), (11377, 19260), (13212, 16585), (13268, 16515)]