302455840

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:291

約数の個数: 144

約数和(自身を含む): 787256064

約数和(自身を除く): 484800224

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 68, 80, 85, 124, 136, 155, 160, 170, 211, 248, 272, 289, 310, 340, 422, 496, 527, 544, 578, 620, 680, 844, 992, 1054, 1055, 1156, 1240, 1360, 1445, 1688, 2108, 2110, 2312, 2480, 2635, 2720, 2890, 3376, 3587, 4216, 4220, 4624, 4960, 5270, 5780, 6541, 6752, 7174, 8432, 8440, 8959, 9248, 10540, 11560, 13082, 14348, 16864, 16880, 17918, 17935, 21080, 23120, 26164, 28696, 32705, 33760, 35836, 35870, 42160, 44795, 46240, 52328, 57392, 60979, 65410, 71672, 71740, 84320, 89590, 104656, 111197, 114784, 121958, 130820, 143344, 143480, 179180, 209312, 222394, 243916, 261640, 286688, 286960, 304895, 358360, 444788, 487832, 523280, 555985, 573920, 609790, 716720, 889576, 975664, 1046560, 1111970, 1219580, 1433440, 1779152, 1890349, 1951328, 2223940, 2439160, 3558304, 3780698, 4447880, 4878320, 7561396, 8895760, 9451745, 9756640, 15122792, 17791520, 18903490, 30245584, 37806980, 60491168, 75613960, 151227920, 302455840]

約数ペア:

[(1, 302455840), (2, 151227920), (4, 75613960), (5, 60491168), (8, 37806980), (10, 30245584), (16, 18903490), (17, 17791520), (20, 15122792), (31, 9756640), (32, 9451745), (34, 8895760), (40, 7561396), (62, 4878320), (68, 4447880), (80, 3780698), (85, 3558304), (124, 2439160), (136, 2223940), (155, 1951328), (160, 1890349), (170, 1779152), (211, 1433440), (248, 1219580), (272, 1111970), (289, 1046560), (310, 975664), (340, 889576), (422, 716720), (496, 609790), (527, 573920), (544, 555985), (578, 523280), (620, 487832), (680, 444788), (844, 358360), (992, 304895), (1054, 286960), (1055, 286688), (1156, 261640), (1240, 243916), (1360, 222394), (1445, 209312), (1688, 179180), (2108, 143480), (2110, 143344), (2312, 130820), (2480, 121958), (2635, 114784), (2720, 111197), (2890, 104656), (3376, 89590), (3587, 84320), (4216, 71740), (4220, 71672), (4624, 65410), (4960, 60979), (5270, 57392), (5780, 52328), (6541, 46240), (6752, 44795), (7174, 42160), (8432, 35870), (8440, 35836), (8959, 33760), (9248, 32705), (10540, 28696), (11560, 26164), (13082, 23120), (14348, 21080), (16864, 17935), (16880, 17918)]