15835820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1$

素因数の和:160

約数の個数: 144

約数和(自身を含む): 45849888

約数和(自身を除く): 30014068

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 49, 52, 55, 65, 70, 77, 91, 98, 110, 113, 130, 140, 143, 154, 182, 196, 220, 226, 245, 260, 286, 308, 364, 385, 452, 455, 490, 539, 565, 572, 637, 715, 770, 791, 910, 980, 1001, 1078, 1130, 1243, 1274, 1430, 1469, 1540, 1582, 1820, 2002, 2156, 2260, 2486, 2548, 2695, 2860, 2938, 3164, 3185, 3955, 4004, 4972, 5005, 5390, 5537, 5876, 6215, 6370, 7007, 7345, 7910, 8701, 10010, 10283, 10780, 11074, 12430, 12740, 14014, 14690, 15820, 16159, 17402, 20020, 20566, 22148, 24860, 27685, 28028, 29380, 32318, 34804, 35035, 41132, 43505, 51415, 55370, 60907, 64636, 70070, 71981, 80795, 87010, 102830, 110740, 113113, 121814, 140140, 143962, 161590, 174020, 205660, 226226, 243628, 287924, 304535, 323180, 359905, 452452, 565565, 609070, 719810, 791791, 1131130, 1218140, 1439620, 1583582, 2262260, 3167164, 3958955, 7917910, 15835820]

約数ペア:

[(1, 15835820), (2, 7917910), (4, 3958955), (5, 3167164), (7, 2262260), (10, 1583582), (11, 1439620), (13, 1218140), (14, 1131130), (20, 791791), (22, 719810), (26, 609070), (28, 565565), (35, 452452), (44, 359905), (49, 323180), (52, 304535), (55, 287924), (65, 243628), (70, 226226), (77, 205660), (91, 174020), (98, 161590), (110, 143962), (113, 140140), (130, 121814), (140, 113113), (143, 110740), (154, 102830), (182, 87010), (196, 80795), (220, 71981), (226, 70070), (245, 64636), (260, 60907), (286, 55370), (308, 51415), (364, 43505), (385, 41132), (452, 35035), (455, 34804), (490, 32318), (539, 29380), (565, 28028), (572, 27685), (637, 24860), (715, 22148), (770, 20566), (791, 20020), (910, 17402), (980, 16159), (1001, 15820), (1078, 14690), (1130, 14014), (1243, 12740), (1274, 12430), (1430, 11074), (1469, 10780), (1540, 10283), (1582, 10010), (1820, 8701), (2002, 7910), (2156, 7345), (2260, 7007), (2486, 6370), (2548, 6215), (2695, 5876), (2860, 5537), (2938, 5390), (3164, 5005), (3185, 4972), (3955, 4004)]