71225440

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{283}}^1$

素因数の和:333

約数の個数: 144

約数和(自身を含む): 199889424

約数和(自身を除く): 128663984

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 65, 80, 88, 104, 110, 121, 130, 143, 160, 176, 208, 220, 242, 260, 283, 286, 352, 416, 440, 484, 520, 566, 572, 605, 715, 880, 968, 1040, 1132, 1144, 1210, 1415, 1430, 1573, 1760, 1936, 2080, 2264, 2288, 2420, 2830, 2860, 3113, 3146, 3679, 3872, 4528, 4576, 4840, 5660, 5720, 6226, 6292, 7358, 7865, 9056, 9680, 11320, 11440, 12452, 12584, 14716, 15565, 15730, 18395, 19360, 22640, 22880, 24904, 25168, 29432, 31130, 31460, 34243, 36790, 40469, 45280, 49808, 50336, 58864, 62260, 62920, 68486, 73580, 80938, 99616, 117728, 124520, 125840, 136972, 147160, 161876, 171215, 202345, 249040, 251680, 273944, 294320, 323752, 342430, 404690, 445159, 498080, 547888, 588640, 647504, 684860, 809380, 890318, 1095776, 1295008, 1369720, 1618760, 1780636, 2225795, 2739440, 3237520, 3561272, 4451590, 5478880, 6475040, 7122544, 8903180, 14245088, 17806360, 35612720, 71225440]

約数ペア:

[(1, 71225440), (2, 35612720), (4, 17806360), (5, 14245088), (8, 8903180), (10, 7122544), (11, 6475040), (13, 5478880), (16, 4451590), (20, 3561272), (22, 3237520), (26, 2739440), (32, 2225795), (40, 1780636), (44, 1618760), (52, 1369720), (55, 1295008), (65, 1095776), (80, 890318), (88, 809380), (104, 684860), (110, 647504), (121, 588640), (130, 547888), (143, 498080), (160, 445159), (176, 404690), (208, 342430), (220, 323752), (242, 294320), (260, 273944), (283, 251680), (286, 249040), (352, 202345), (416, 171215), (440, 161876), (484, 147160), (520, 136972), (566, 125840), (572, 124520), (605, 117728), (715, 99616), (880, 80938), (968, 73580), (1040, 68486), (1132, 62920), (1144, 62260), (1210, 58864), (1415, 50336), (1430, 49808), (1573, 45280), (1760, 40469), (1936, 36790), (2080, 34243), (2264, 31460), (2288, 31130), (2420, 29432), (2830, 25168), (2860, 24904), (3113, 22880), (3146, 22640), (3679, 19360), (3872, 18395), (4528, 15730), (4576, 15565), (4840, 14716), (5660, 12584), (5720, 12452), (6226, 11440), (6292, 11320), (7358, 9680), (7865, 9056)]