216828880

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:237

約数の個数: 160

約数和(自身を含む): 569963520

約数和(自身を除く): 353134640

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 37, 40, 62, 68, 74, 80, 85, 124, 136, 139, 148, 155, 170, 185, 248, 272, 278, 296, 310, 340, 370, 496, 527, 556, 592, 620, 629, 680, 695, 740, 1054, 1112, 1147, 1240, 1258, 1360, 1390, 1480, 2108, 2224, 2294, 2363, 2480, 2516, 2635, 2780, 2960, 3145, 4216, 4309, 4588, 4726, 5032, 5143, 5270, 5560, 5735, 6290, 8432, 8618, 9176, 9452, 10064, 10286, 10540, 11120, 11470, 11815, 12580, 17236, 18352, 18904, 19499, 20572, 21080, 21545, 22940, 23630, 25160, 25715, 34472, 37808, 38998, 41144, 42160, 43090, 45880, 47260, 50320, 51430, 68944, 73253, 77996, 82288, 86180, 87431, 91760, 94520, 97495, 102860, 146506, 155992, 159433, 172360, 174862, 189040, 194990, 205720, 293012, 311984, 318866, 344720, 349724, 366265, 389980, 411440, 437155, 586024, 637732, 699448, 732530, 779960, 797165, 874310, 1172048, 1275464, 1398896, 1465060, 1559920, 1594330, 1748620, 2550928, 2710361, 2930120, 3188660, 3497240, 5420722, 5860240, 6377320, 6994480, 10841444, 12754640, 13551805, 21682888, 27103610, 43365776, 54207220, 108414440, 216828880]

約数ペア:

[(1, 216828880), (2, 108414440), (4, 54207220), (5, 43365776), (8, 27103610), (10, 21682888), (16, 13551805), (17, 12754640), (20, 10841444), (31, 6994480), (34, 6377320), (37, 5860240), (40, 5420722), (62, 3497240), (68, 3188660), (74, 2930120), (80, 2710361), (85, 2550928), (124, 1748620), (136, 1594330), (139, 1559920), (148, 1465060), (155, 1398896), (170, 1275464), (185, 1172048), (248, 874310), (272, 797165), (278, 779960), (296, 732530), (310, 699448), (340, 637732), (370, 586024), (496, 437155), (527, 411440), (556, 389980), (592, 366265), (620, 349724), (629, 344720), (680, 318866), (695, 311984), (740, 293012), (1054, 205720), (1112, 194990), (1147, 189040), (1240, 174862), (1258, 172360), (1360, 159433), (1390, 155992), (1480, 146506), (2108, 102860), (2224, 97495), (2294, 94520), (2363, 91760), (2480, 87431), (2516, 86180), (2635, 82288), (2780, 77996), (2960, 73253), (3145, 68944), (4216, 51430), (4309, 50320), (4588, 47260), (4726, 45880), (5032, 43090), (5143, 42160), (5270, 41144), (5560, 38998), (5735, 37808), (6290, 34472), (8432, 25715), (8618, 25160), (9176, 23630), (9452, 22940), (10064, 21545), (10286, 21080), (10540, 20572), (11120, 19499), (11470, 18904), (11815, 18352), (12580, 17236)]