291747690

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1933}}^1$

素因数の和:2005

約数の個数: 128

約数和(自身を含む): 857767680

約数和(自身を除く): 566019990

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 43, 45, 54, 65, 78, 86, 90, 117, 129, 130, 135, 195, 215, 234, 258, 270, 351, 387, 390, 430, 559, 585, 645, 702, 774, 1118, 1161, 1170, 1290, 1677, 1755, 1933, 1935, 2322, 2795, 3354, 3510, 3866, 3870, 5031, 5590, 5799, 5805, 8385, 9665, 10062, 11598, 11610, 15093, 16770, 17397, 19330, 25129, 25155, 28995, 30186, 34794, 50258, 50310, 52191, 57990, 75387, 75465, 83119, 86985, 104382, 125645, 150774, 150930, 166238, 173970, 226161, 249357, 251290, 260955, 376935, 415595, 452322, 498714, 521910, 678483, 748071, 753870, 831190, 1080547, 1130805, 1246785, 1356966, 1496142, 2161094, 2244213, 2261610, 2493570, 3241641, 3392415, 3740355, 4488426, 5402735, 6483282, 6784830, 7480710, 9724923, 10805470, 11221065, 16208205, 19449846, 22442130, 29174769, 32416410, 48624615, 58349538, 97249230, 145873845, 291747690]

約数ペア:

[(1, 291747690), (2, 145873845), (3, 97249230), (5, 58349538), (6, 48624615), (9, 32416410), (10, 29174769), (13, 22442130), (15, 19449846), (18, 16208205), (26, 11221065), (27, 10805470), (30, 9724923), (39, 7480710), (43, 6784830), (45, 6483282), (54, 5402735), (65, 4488426), (78, 3740355), (86, 3392415), (90, 3241641), (117, 2493570), (129, 2261610), (130, 2244213), (135, 2161094), (195, 1496142), (215, 1356966), (234, 1246785), (258, 1130805), (270, 1080547), (351, 831190), (387, 753870), (390, 748071), (430, 678483), (559, 521910), (585, 498714), (645, 452322), (702, 415595), (774, 376935), (1118, 260955), (1161, 251290), (1170, 249357), (1290, 226161), (1677, 173970), (1755, 166238), (1933, 150930), (1935, 150774), (2322, 125645), (2795, 104382), (3354, 86985), (3510, 83119), (3866, 75465), (3870, 75387), (5031, 57990), (5590, 52191), (5799, 50310), (5805, 50258), (8385, 34794), (9665, 30186), (10062, 28995), (11598, 25155), (11610, 25129), (15093, 19330), (16770, 17397)]