201728120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{181}}^1$

素因数の和:369

約数の個数: 128

約数和(自身を含む): 530712000

約数和(自身を除く): 328983880

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 149, 170, 181, 187, 220, 298, 340, 362, 374, 440, 596, 680, 724, 745, 748, 905, 935, 1192, 1448, 1490, 1496, 1639, 1810, 1870, 1991, 2533, 2980, 3077, 3278, 3620, 3740, 3982, 5066, 5960, 6154, 6556, 7240, 7480, 7964, 8195, 9955, 10132, 12308, 12665, 13112, 15385, 15928, 16390, 19910, 20264, 24616, 25330, 26969, 27863, 30770, 32780, 33847, 39820, 50660, 53938, 55726, 61540, 65560, 67694, 79640, 101320, 107876, 111452, 123080, 134845, 135388, 139315, 169235, 215752, 222904, 269690, 270776, 278630, 296659, 338470, 458473, 539380, 557260, 593318, 676940, 916946, 1078760, 1114520, 1186636, 1353880, 1483295, 1833892, 2292365, 2373272, 2966590, 3667784, 4584730, 5043203, 5933180, 9169460, 10086406, 11866360, 18338920, 20172812, 25216015, 40345624, 50432030, 100864060, 201728120]

約数ペア:

[(1, 201728120), (2, 100864060), (4, 50432030), (5, 40345624), (8, 25216015), (10, 20172812), (11, 18338920), (17, 11866360), (20, 10086406), (22, 9169460), (34, 5933180), (40, 5043203), (44, 4584730), (55, 3667784), (68, 2966590), (85, 2373272), (88, 2292365), (110, 1833892), (136, 1483295), (149, 1353880), (170, 1186636), (181, 1114520), (187, 1078760), (220, 916946), (298, 676940), (340, 593318), (362, 557260), (374, 539380), (440, 458473), (596, 338470), (680, 296659), (724, 278630), (745, 270776), (748, 269690), (905, 222904), (935, 215752), (1192, 169235), (1448, 139315), (1490, 135388), (1496, 134845), (1639, 123080), (1810, 111452), (1870, 107876), (1991, 101320), (2533, 79640), (2980, 67694), (3077, 65560), (3278, 61540), (3620, 55726), (3740, 53938), (3982, 50660), (5066, 39820), (5960, 33847), (6154, 32780), (6556, 30770), (7240, 27863), (7480, 26969), (7964, 25330), (8195, 24616), (9955, 20264), (10132, 19910), (12308, 16390), (12665, 15928), (13112, 15385)]