121989960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{643}}^1$

素因数の和:708

約数の個数: 192

約数和(自身を含む): 434004480

約数和(自身を除く): 312014520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 31, 34, 36, 40, 45, 51, 60, 62, 68, 72, 85, 90, 93, 102, 120, 124, 136, 153, 155, 170, 180, 186, 204, 248, 255, 279, 306, 310, 340, 360, 372, 408, 465, 510, 527, 558, 612, 620, 643, 680, 744, 765, 930, 1020, 1054, 1116, 1224, 1240, 1286, 1395, 1530, 1581, 1860, 1929, 2040, 2108, 2232, 2572, 2635, 2790, 3060, 3162, 3215, 3720, 3858, 4216, 4743, 5144, 5270, 5580, 5787, 6120, 6324, 6430, 7716, 7905, 9486, 9645, 10540, 10931, 11160, 11574, 12648, 12860, 15432, 15810, 18972, 19290, 19933, 21080, 21862, 23148, 23715, 25720, 28935, 31620, 32793, 37944, 38580, 39866, 43724, 46296, 47430, 54655, 57870, 59799, 63240, 65586, 77160, 79732, 87448, 94860, 98379, 99665, 109310, 115740, 119598, 131172, 159464, 163965, 179397, 189720, 196758, 199330, 218620, 231480, 239196, 262344, 298995, 327930, 338861, 358794, 393516, 398660, 437240, 478392, 491895, 597990, 655860, 677722, 717588, 787032, 797320, 896985, 983790, 1016583, 1195980, 1311720, 1355444, 1435176, 1694305, 1793970, 1967580, 2033166, 2391960, 2710888, 3049749, 3388610, 3587940, 3935160, 4066332, 5082915, 6099498, 6777220, 7175880, 8132664, 10165830, 12198996, 13554440, 15248745, 20331660, 24397992, 30497490, 40663320, 60994980, 121989960]

約数ペア:

[(1, 121989960), (2, 60994980), (3, 40663320), (4, 30497490), (5, 24397992), (6, 20331660), (8, 15248745), (9, 13554440), (10, 12198996), (12, 10165830), (15, 8132664), (17, 7175880), (18, 6777220), (20, 6099498), (24, 5082915), (30, 4066332), (31, 3935160), (34, 3587940), (36, 3388610), (40, 3049749), (45, 2710888), (51, 2391960), (60, 2033166), (62, 1967580), (68, 1793970), (72, 1694305), (85, 1435176), (90, 1355444), (93, 1311720), (102, 1195980), (120, 1016583), (124, 983790), (136, 896985), (153, 797320), (155, 787032), (170, 717588), (180, 677722), (186, 655860), (204, 597990), (248, 491895), (255, 478392), (279, 437240), (306, 398660), (310, 393516), (340, 358794), (360, 338861), (372, 327930), (408, 298995), (465, 262344), (510, 239196), (527, 231480), (558, 218620), (612, 199330), (620, 196758), (643, 189720), (680, 179397), (744, 163965), (765, 159464), (930, 131172), (1020, 119598), (1054, 115740), (1116, 109310), (1224, 99665), (1240, 98379), (1286, 94860), (1395, 87448), (1530, 79732), (1581, 77160), (1860, 65586), (1929, 63240), (2040, 59799), (2108, 57870), (2232, 54655), (2572, 47430), (2635, 46296), (2790, 43724), (3060, 39866), (3162, 38580), (3215, 37944), (3720, 32793), (3858, 31620), (4216, 28935), (4743, 25720), (5144, 23715), (5270, 23148), (5580, 21862), (5787, 21080), (6120, 19933), (6324, 19290), (6430, 18972), (7716, 15810), (7905, 15432), (9486, 12860), (9645, 12648), (10540, 11574), (10931, 11160)]