65899980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2141}}^1$

素因数の和:2181

約数の個数: 120

約数和(自身を含む): 217712880

約数和(自身を除く): 151812900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 81, 90, 95, 108, 114, 135, 162, 171, 180, 190, 228, 270, 285, 324, 342, 380, 405, 513, 540, 570, 684, 810, 855, 1026, 1140, 1539, 1620, 1710, 2052, 2141, 2565, 3078, 3420, 4282, 5130, 6156, 6423, 7695, 8564, 10260, 10705, 12846, 15390, 19269, 21410, 25692, 30780, 32115, 38538, 40679, 42820, 57807, 64230, 77076, 81358, 96345, 115614, 122037, 128460, 162716, 173421, 192690, 203395, 231228, 244074, 289035, 346842, 366111, 385380, 406790, 488148, 578070, 610185, 693684, 732222, 813580, 867105, 1098333, 1156140, 1220370, 1464444, 1734210, 1830555, 2196666, 2440740, 3294999, 3468420, 3661110, 4393332, 5491665, 6589998, 7322220, 10983330, 13179996, 16474995, 21966660, 32949990, 65899980]

約数ペア:

[(1, 65899980), (2, 32949990), (3, 21966660), (4, 16474995), (5, 13179996), (6, 10983330), (9, 7322220), (10, 6589998), (12, 5491665), (15, 4393332), (18, 3661110), (19, 3468420), (20, 3294999), (27, 2440740), (30, 2196666), (36, 1830555), (38, 1734210), (45, 1464444), (54, 1220370), (57, 1156140), (60, 1098333), (76, 867105), (81, 813580), (90, 732222), (95, 693684), (108, 610185), (114, 578070), (135, 488148), (162, 406790), (171, 385380), (180, 366111), (190, 346842), (228, 289035), (270, 244074), (285, 231228), (324, 203395), (342, 192690), (380, 173421), (405, 162716), (513, 128460), (540, 122037), (570, 115614), (684, 96345), (810, 81358), (855, 77076), (1026, 64230), (1140, 57807), (1539, 42820), (1620, 40679), (1710, 38538), (2052, 32115), (2141, 30780), (2565, 25692), (3078, 21410), (3420, 19269), (4282, 15390), (5130, 12846), (6156, 10705), (6423, 10260), (7695, 8564)]