287942720

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3643}}^1$

素因数の和:3692

約数の個数: 112

約数和(自身を含む): 777483840

約数和(自身を除く): 489541120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 130, 152, 160, 190, 208, 247, 260, 304, 320, 380, 416, 494, 520, 608, 760, 832, 988, 1040, 1216, 1235, 1520, 1976, 2080, 2470, 3040, 3643, 3952, 4160, 4940, 6080, 7286, 7904, 9880, 14572, 15808, 18215, 19760, 29144, 36430, 39520, 47359, 58288, 69217, 72860, 79040, 94718, 116576, 138434, 145720, 189436, 233152, 236795, 276868, 291440, 346085, 378872, 473590, 553736, 582880, 692170, 757744, 899821, 947180, 1107472, 1165760, 1384340, 1515488, 1799642, 1894360, 2214944, 2768680, 3030976, 3599284, 3788720, 4429888, 4499105, 5537360, 7198568, 7577440, 8998210, 11074720, 14397136, 15154880, 17996420, 22149440, 28794272, 35992840, 57588544, 71985680, 143971360, 287942720]

約数ペア:

[(1, 287942720), (2, 143971360), (4, 71985680), (5, 57588544), (8, 35992840), (10, 28794272), (13, 22149440), (16, 17996420), (19, 15154880), (20, 14397136), (26, 11074720), (32, 8998210), (38, 7577440), (40, 7198568), (52, 5537360), (64, 4499105), (65, 4429888), (76, 3788720), (80, 3599284), (95, 3030976), (104, 2768680), (130, 2214944), (152, 1894360), (160, 1799642), (190, 1515488), (208, 1384340), (247, 1165760), (260, 1107472), (304, 947180), (320, 899821), (380, 757744), (416, 692170), (494, 582880), (520, 553736), (608, 473590), (760, 378872), (832, 346085), (988, 291440), (1040, 276868), (1216, 236795), (1235, 233152), (1520, 189436), (1976, 145720), (2080, 138434), (2470, 116576), (3040, 94718), (3643, 79040), (3952, 72860), (4160, 69217), (4940, 58288), (6080, 47359), (7286, 39520), (7904, 36430), (9880, 29144), (14572, 19760), (15808, 18215)]