280501020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2957}}^1$

素因数の和:3020

約数の個数: 144

約数和(自身を含む): 930279168

約数和(自身を除く): 649778148

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 31, 34, 36, 45, 51, 60, 62, 68, 85, 90, 93, 102, 124, 153, 155, 170, 180, 186, 204, 255, 279, 306, 310, 340, 372, 465, 510, 527, 558, 612, 620, 765, 930, 1020, 1054, 1116, 1395, 1530, 1581, 1860, 2108, 2635, 2790, 2957, 3060, 3162, 4743, 5270, 5580, 5914, 6324, 7905, 8871, 9486, 10540, 11828, 14785, 15810, 17742, 18972, 23715, 26613, 29570, 31620, 35484, 44355, 47430, 50269, 53226, 59140, 88710, 91667, 94860, 100538, 106452, 133065, 150807, 177420, 183334, 201076, 251345, 266130, 275001, 301614, 366668, 452421, 458335, 502690, 532260, 550002, 603228, 754035, 825003, 904842, 916670, 1005380, 1100004, 1375005, 1508070, 1558339, 1650006, 1809684, 1833340, 2262105, 2750010, 3016140, 3116678, 3300012, 4125015, 4524210, 4675017, 5500020, 6233356, 7791695, 8250030, 9048420, 9350034, 14025051, 15583390, 16500060, 18700068, 23375085, 28050102, 31166780, 46750170, 56100204, 70125255, 93500340, 140250510, 280501020]

約数ペア:

[(1, 280501020), (2, 140250510), (3, 93500340), (4, 70125255), (5, 56100204), (6, 46750170), (9, 31166780), (10, 28050102), (12, 23375085), (15, 18700068), (17, 16500060), (18, 15583390), (20, 14025051), (30, 9350034), (31, 9048420), (34, 8250030), (36, 7791695), (45, 6233356), (51, 5500020), (60, 4675017), (62, 4524210), (68, 4125015), (85, 3300012), (90, 3116678), (93, 3016140), (102, 2750010), (124, 2262105), (153, 1833340), (155, 1809684), (170, 1650006), (180, 1558339), (186, 1508070), (204, 1375005), (255, 1100004), (279, 1005380), (306, 916670), (310, 904842), (340, 825003), (372, 754035), (465, 603228), (510, 550002), (527, 532260), (558, 502690), (612, 458335), (620, 452421), (765, 366668), (930, 301614), (1020, 275001), (1054, 266130), (1116, 251345), (1395, 201076), (1530, 183334), (1581, 177420), (1860, 150807), (2108, 133065), (2635, 106452), (2790, 100538), (2957, 94860), (3060, 91667), (3162, 88710), (4743, 59140), (5270, 53226), (5580, 50269), (5914, 47430), (6324, 44355), (7905, 35484), (8871, 31620), (9486, 29570), (10540, 26613), (11828, 23715), (14785, 18972), (15810, 17742)]