81873870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1$

素因数の和:326

約数の個数: 128

約数和(自身を含む): 229267584

約数和(自身を除く): 147393714

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 51, 53, 65, 78, 85, 102, 106, 130, 159, 170, 195, 221, 233, 255, 265, 318, 390, 442, 466, 510, 530, 663, 689, 699, 795, 901, 1105, 1165, 1326, 1378, 1398, 1590, 1802, 2067, 2210, 2330, 2703, 3029, 3315, 3445, 3495, 3961, 4134, 4505, 5406, 6058, 6630, 6890, 6990, 7922, 9010, 9087, 10335, 11713, 11883, 12349, 13515, 15145, 18174, 19805, 20670, 23426, 23766, 24698, 27030, 30290, 35139, 37047, 39610, 45435, 51493, 58565, 59415, 61745, 70278, 74094, 90870, 102986, 117130, 118830, 123490, 154479, 160537, 175695, 185235, 209933, 257465, 308958, 321074, 351390, 370470, 419866, 481611, 514930, 629799, 772395, 802685, 963222, 1049665, 1259598, 1544790, 1605370, 2099330, 2408055, 2729129, 3148995, 4816110, 5458258, 6297990, 8187387, 13645645, 16374774, 27291290, 40936935, 81873870]

約数ペア:

[(1, 81873870), (2, 40936935), (3, 27291290), (5, 16374774), (6, 13645645), (10, 8187387), (13, 6297990), (15, 5458258), (17, 4816110), (26, 3148995), (30, 2729129), (34, 2408055), (39, 2099330), (51, 1605370), (53, 1544790), (65, 1259598), (78, 1049665), (85, 963222), (102, 802685), (106, 772395), (130, 629799), (159, 514930), (170, 481611), (195, 419866), (221, 370470), (233, 351390), (255, 321074), (265, 308958), (318, 257465), (390, 209933), (442, 185235), (466, 175695), (510, 160537), (530, 154479), (663, 123490), (689, 118830), (699, 117130), (795, 102986), (901, 90870), (1105, 74094), (1165, 70278), (1326, 61745), (1378, 59415), (1398, 58565), (1590, 51493), (1802, 45435), (2067, 39610), (2210, 37047), (2330, 35139), (2703, 30290), (3029, 27030), (3315, 24698), (3445, 23766), (3495, 23426), (3961, 20670), (4134, 19805), (4505, 18174), (5406, 15145), (6058, 13515), (6630, 12349), (6890, 11883), (6990, 11713), (7922, 10335), (9010, 9087)]