289109520

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{19121}}^1$

素因数の和:19150

約数の個数: 160

約数和(自身を含む): 1138141440

約数和(自身を除く): 849031920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 7560, 15120, 19121, 38242, 57363, 76484, 95605, 114726, 133847, 152968, 172089, 191210, 229452, 267694, 286815, 305936, 344178, 382420, 401541, 458904, 516267, 535388, 573630, 669235, 688356, 764840, 803082, 860445, 917808, 1032534, 1070776, 1147260, 1204623, 1338470, 1376712, 1529680, 1606164, 1720890, 2007705, 2065068, 2141552, 2294520, 2409246, 2581335, 2676940, 2753424, 3212328, 3441780, 3613869, 4015410, 4130136, 4589040, 4818492, 5162670, 5353880, 6023115, 6424656, 6883560, 7227738, 8030820, 8260272, 9636984, 10325340, 10707760, 12046230, 13767120, 14455476, 16061640, 18069345, 19273968, 20650680, 24092460, 28910952, 32123280, 36138690, 41301360, 48184920, 57821904, 72277380, 96369840, 144554760, 289109520]

約数ペア:

[(1, 289109520), (2, 144554760), (3, 96369840), (4, 72277380), (5, 57821904), (6, 48184920), (7, 41301360), (8, 36138690), (9, 32123280), (10, 28910952), (12, 24092460), (14, 20650680), (15, 19273968), (16, 18069345), (18, 16061640), (20, 14455476), (21, 13767120), (24, 12046230), (27, 10707760), (28, 10325340), (30, 9636984), (35, 8260272), (36, 8030820), (40, 7227738), (42, 6883560), (45, 6424656), (48, 6023115), (54, 5353880), (56, 5162670), (60, 4818492), (63, 4589040), (70, 4130136), (72, 4015410), (80, 3613869), (84, 3441780), (90, 3212328), (105, 2753424), (108, 2676940), (112, 2581335), (120, 2409246), (126, 2294520), (135, 2141552), (140, 2065068), (144, 2007705), (168, 1720890), (180, 1606164), (189, 1529680), (210, 1376712), (216, 1338470), (240, 1204623), (252, 1147260), (270, 1070776), (280, 1032534), (315, 917808), (336, 860445), (360, 803082), (378, 764840), (420, 688356), (432, 669235), (504, 573630), (540, 535388), (560, 516267), (630, 458904), (720, 401541), (756, 382420), (840, 344178), (945, 305936), (1008, 286815), (1080, 267694), (1260, 229452), (1512, 191210), (1680, 172089), (1890, 152968), (2160, 133847), (2520, 114726), (3024, 95605), (3780, 76484), (5040, 57363), (7560, 38242), (15120, 19121)]