28180170

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:165

約数の個数: 128

約数和(自身を含む): 80352000

約数和(自身を除く): 52171830

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 29, 30, 45, 54, 58, 59, 61, 87, 90, 118, 122, 135, 145, 174, 177, 183, 261, 270, 290, 295, 305, 354, 366, 435, 522, 531, 549, 590, 610, 783, 870, 885, 915, 1062, 1098, 1305, 1566, 1593, 1647, 1711, 1769, 1770, 1830, 2610, 2655, 2745, 3186, 3294, 3422, 3538, 3599, 3915, 5133, 5307, 5310, 5490, 7198, 7830, 7965, 8235, 8555, 8845, 10266, 10614, 10797, 15399, 15921, 15930, 16470, 17110, 17690, 17995, 21594, 25665, 26535, 30798, 31842, 32391, 35990, 46197, 47763, 51330, 53070, 53985, 64782, 76995, 79605, 92394, 95526, 97173, 104371, 107970, 153990, 159210, 161955, 194346, 208742, 230985, 238815, 313113, 323910, 461970, 477630, 485865, 521855, 626226, 939339, 971730, 1043710, 1565565, 1878678, 2818017, 3131130, 4696695, 5636034, 9393390, 14090085, 28180170]

約数ペア:

[(1, 28180170), (2, 14090085), (3, 9393390), (5, 5636034), (6, 4696695), (9, 3131130), (10, 2818017), (15, 1878678), (18, 1565565), (27, 1043710), (29, 971730), (30, 939339), (45, 626226), (54, 521855), (58, 485865), (59, 477630), (61, 461970), (87, 323910), (90, 313113), (118, 238815), (122, 230985), (135, 208742), (145, 194346), (174, 161955), (177, 159210), (183, 153990), (261, 107970), (270, 104371), (290, 97173), (295, 95526), (305, 92394), (354, 79605), (366, 76995), (435, 64782), (522, 53985), (531, 53070), (549, 51330), (590, 47763), (610, 46197), (783, 35990), (870, 32391), (885, 31842), (915, 30798), (1062, 26535), (1098, 25665), (1305, 21594), (1566, 17995), (1593, 17690), (1647, 17110), (1711, 16470), (1769, 15930), (1770, 15921), (1830, 15399), (2610, 10797), (2655, 10614), (2745, 10266), (3186, 8845), (3294, 8555), (3422, 8235), (3538, 7965), (3599, 7830), (3915, 7198), (5133, 5490), (5307, 5310)]