90431280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:180

約数の個数: 240

約数和(自身を含む): 323818560

約数和(自身を除く): 233387280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 36, 40, 45, 48, 58, 60, 61, 71, 72, 80, 87, 90, 116, 120, 122, 142, 144, 145, 174, 180, 183, 213, 232, 240, 244, 261, 284, 290, 305, 348, 355, 360, 366, 426, 435, 464, 488, 522, 549, 568, 580, 610, 639, 696, 710, 720, 732, 852, 870, 915, 976, 1044, 1065, 1098, 1136, 1160, 1220, 1278, 1305, 1392, 1420, 1464, 1704, 1740, 1769, 1830, 2059, 2088, 2130, 2196, 2320, 2440, 2556, 2610, 2745, 2840, 2928, 3195, 3408, 3480, 3538, 3660, 4118, 4176, 4260, 4331, 4392, 4880, 5112, 5220, 5307, 5490, 5680, 6177, 6390, 6960, 7076, 7320, 8236, 8520, 8662, 8784, 8845, 10224, 10295, 10440, 10614, 10980, 12354, 12780, 12993, 14152, 14640, 15921, 16472, 17040, 17324, 17690, 18531, 20590, 20880, 21228, 21655, 21960, 24708, 25560, 25986, 26535, 28304, 30885, 31842, 32944, 34648, 35380, 37062, 38979, 41180, 42456, 43310, 43920, 49416, 51120, 51972, 53070, 61770, 63684, 64965, 69296, 70760, 74124, 77958, 79605, 82360, 84912, 86620, 92655, 98832, 103944, 106140, 123540, 125599, 127368, 129930, 141520, 148248, 155916, 159210, 164720, 173240, 185310, 194895, 207888, 212280, 247080, 251198, 254736, 259860, 296496, 311832, 318420, 346480, 370620, 376797, 389790, 424560, 494160, 502396, 519720, 623664, 627995, 636840, 741240, 753594, 779580, 1004792, 1039440, 1130391, 1255990, 1273680, 1482480, 1507188, 1559160, 1883985, 2009584, 2260782, 2511980, 3014376, 3118320, 3767970, 4521564, 5023960, 5651955, 6028752, 7535940, 9043128, 10047920, 11303910, 15071880, 18086256, 22607820, 30143760, 45215640, 90431280]

約数ペア:

[(1, 90431280), (2, 45215640), (3, 30143760), (4, 22607820), (5, 18086256), (6, 15071880), (8, 11303910), (9, 10047920), (10, 9043128), (12, 7535940), (15, 6028752), (16, 5651955), (18, 5023960), (20, 4521564), (24, 3767970), (29, 3118320), (30, 3014376), (36, 2511980), (40, 2260782), (45, 2009584), (48, 1883985), (58, 1559160), (60, 1507188), (61, 1482480), (71, 1273680), (72, 1255990), (80, 1130391), (87, 1039440), (90, 1004792), (116, 779580), (120, 753594), (122, 741240), (142, 636840), (144, 627995), (145, 623664), (174, 519720), (180, 502396), (183, 494160), (213, 424560), (232, 389790), (240, 376797), (244, 370620), (261, 346480), (284, 318420), (290, 311832), (305, 296496), (348, 259860), (355, 254736), (360, 251198), (366, 247080), (426, 212280), (435, 207888), (464, 194895), (488, 185310), (522, 173240), (549, 164720), (568, 159210), (580, 155916), (610, 148248), (639, 141520), (696, 129930), (710, 127368), (720, 125599), (732, 123540), (852, 106140), (870, 103944), (915, 98832), (976, 92655), (1044, 86620), (1065, 84912), (1098, 82360), (1136, 79605), (1160, 77958), (1220, 74124), (1278, 70760), (1305, 69296), (1392, 64965), (1420, 63684), (1464, 61770), (1704, 53070), (1740, 51972), (1769, 51120), (1830, 49416), (2059, 43920), (2088, 43310), (2130, 42456), (2196, 41180), (2320, 38979), (2440, 37062), (2556, 35380), (2610, 34648), (2745, 32944), (2840, 31842), (2928, 30885), (3195, 28304), (3408, 26535), (3480, 25986), (3538, 25560), (3660, 24708), (4118, 21960), (4176, 21655), (4260, 21228), (4331, 20880), (4392, 20590), (4880, 18531), (5112, 17690), (5220, 17324), (5307, 17040), (5490, 16472), (5680, 15921), (6177, 14640), (6390, 14152), (6960, 12993), (7076, 12780), (7320, 12354), (8236, 10980), (8520, 10614), (8662, 10440), (8784, 10295), (8845, 10224)]