196140720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{643}}^1$

素因数の和:731

約数の個数: 160

約数和(自身を含む): 643958784

約数和(自身を除く): 447818064

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 41, 48, 60, 62, 80, 82, 93, 120, 123, 124, 155, 164, 186, 205, 240, 246, 248, 310, 328, 372, 410, 465, 492, 496, 615, 620, 643, 656, 744, 820, 930, 984, 1230, 1240, 1271, 1286, 1488, 1640, 1860, 1929, 1968, 2460, 2480, 2542, 2572, 3215, 3280, 3720, 3813, 3858, 4920, 5084, 5144, 6355, 6430, 7440, 7626, 7716, 9645, 9840, 10168, 10288, 12710, 12860, 15252, 15432, 19065, 19290, 19933, 20336, 25420, 25720, 26363, 30504, 30864, 38130, 38580, 39866, 50840, 51440, 52726, 59799, 61008, 76260, 77160, 79089, 79732, 99665, 101680, 105452, 119598, 131815, 152520, 154320, 158178, 159464, 199330, 210904, 239196, 263630, 298995, 305040, 316356, 318928, 395445, 398660, 421808, 478392, 527260, 597990, 632712, 790890, 797320, 817253, 956784, 1054520, 1195980, 1265424, 1581780, 1594640, 1634506, 2109040, 2391960, 2451759, 3163560, 3269012, 4086265, 4783920, 4903518, 6327120, 6538024, 8172530, 9807036, 12258795, 13076048, 16345060, 19614072, 24517590, 32690120, 39228144, 49035180, 65380240, 98070360, 196140720]

約数ペア:

[(1, 196140720), (2, 98070360), (3, 65380240), (4, 49035180), (5, 39228144), (6, 32690120), (8, 24517590), (10, 19614072), (12, 16345060), (15, 13076048), (16, 12258795), (20, 9807036), (24, 8172530), (30, 6538024), (31, 6327120), (40, 4903518), (41, 4783920), (48, 4086265), (60, 3269012), (62, 3163560), (80, 2451759), (82, 2391960), (93, 2109040), (120, 1634506), (123, 1594640), (124, 1581780), (155, 1265424), (164, 1195980), (186, 1054520), (205, 956784), (240, 817253), (246, 797320), (248, 790890), (310, 632712), (328, 597990), (372, 527260), (410, 478392), (465, 421808), (492, 398660), (496, 395445), (615, 318928), (620, 316356), (643, 305040), (656, 298995), (744, 263630), (820, 239196), (930, 210904), (984, 199330), (1230, 159464), (1240, 158178), (1271, 154320), (1286, 152520), (1488, 131815), (1640, 119598), (1860, 105452), (1929, 101680), (1968, 99665), (2460, 79732), (2480, 79089), (2542, 77160), (2572, 76260), (3215, 61008), (3280, 59799), (3720, 52726), (3813, 51440), (3858, 50840), (4920, 39866), (5084, 38580), (5144, 38130), (6355, 30864), (6430, 30504), (7440, 26363), (7626, 25720), (7716, 25420), (9645, 20336), (9840, 19933), (10168, 19290), (10288, 19065), (12710, 15432), (12860, 15252)]